diff --git a/tests/API/ApiNodesTest.php b/tests/API/ApiNodesTest.php
index 6449a43..4b46de6 100644
--- a/tests/API/ApiNodesTest.php
+++ b/tests/API/ApiNodesTest.php
@@ -5,18 +5,9 @@
 namespace ArkEcosystem\Tests\Client\API;
 
 use ArkEcosystem\Client\ArkClient;
-use ArkEcosystem\Tests\Client\TestCase;
 
-/**
- * @covers \ArkEcosystem\Client\API\ApiNodes
- */
-class ApiNodesTest extends TestCase
-{
-    /** @test */
-    public function api_nodes_calls_correct_url()
-    {
-        $this->assertResponse('GET', 'api-nodes', function (ArkClient $client) {
-            return $client->apiNodes()->all();
-        });
-    }
-}
+it('calls the correct url for api nodes', function () {
+    $this->assertResponse('GET', 'api-nodes', function (ArkClient $client) {
+        return $client->apiNodes()->all();
+    });
+});
diff --git a/tests/API/BlockchainTest.php b/tests/API/BlockchainTest.php
index 4f8f735..6b32c81 100644
--- a/tests/API/BlockchainTest.php
+++ b/tests/API/BlockchainTest.php
@@ -5,18 +5,9 @@
 namespace ArkEcosystem\Tests\Client\API;
 
 use ArkEcosystem\Client\ArkClient;
-use ArkEcosystem\Tests\Client\TestCase;
 
-/**
- * @covers \ArkEcosystem\Client\API\Blockchain
- */
-class BlockchainTest extends TestCase
-{
-    /** @test */
-    public function blockchain´_calls_correct_url()
-    {
-        $this->assertResponse('GET', 'blockchain', function (ArkClient $client) {
-            return $client->blockchain()->blockchain();
-        });
-    }
-}
+it('calls the correct blockchain url', function () {
+    $this->assertResponse('GET', 'blockchain', function (ArkClient $client) {
+        return $client->blockchain()->blockchain();
+    });
+});
diff --git a/tests/API/BlocksTest.php b/tests/API/BlocksTest.php
index 1279074..b851c8e 100644
--- a/tests/API/BlocksTest.php
+++ b/tests/API/BlocksTest.php
@@ -5,50 +5,33 @@
 namespace ArkEcosystem\Tests\Client\API;
 
 use ArkEcosystem\Client\ArkClient;
-use ArkEcosystem\Tests\Client\TestCase;
-
-/**
- * @covers \ArkEcosystem\Client\API\Blocks
- */
-class BlocksTest extends TestCase
-{
-    /** @test */
-    public function all_calls_correct_url()
-    {
-        $this->assertResponse('GET', 'blocks', function (ArkClient $client) {
-            return $client->blocks()->all();
-        });
-    }
-
-    /** @test */
-    public function get_calls_correct_url()
-    {
-        $this->assertResponse('GET', 'blocks/dummy', function (ArkClient $client) {
-            return $client->blocks()->get('dummy');
-        });
-    }
-
-    /** @test */
-    public function first_calls_correct_url()
-    {
-        $this->assertResponse('GET', 'blocks/first', function (ArkClient $client) {
-            return $client->blocks()->first();
-        });
-    }
-
-    /** @test */
-    public function last_calls_correct_url()
-    {
-        $this->assertResponse('GET', 'blocks/last', function (ArkClient $client) {
-            return $client->blocks()->last();
-        });
-    }
-
-    /** @test */
-    public function transactions_calls_correct_url()
-    {
-        $this->assertResponse('GET', 'blocks/dummy/transactions', function (ArkClient $client) {
-            return $client->blocks()->transactions('dummy');
-        });
-    }
-}
+
+it('calls correct url for all', function () {
+    $this->assertResponse('GET', 'blocks', function (ArkClient $client) {
+        return $client->blocks()->all();
+    });
+});
+
+it('calls correct url for get', function () {
+    $this->assertResponse('GET', 'blocks/dummy', function (ArkClient $client) {
+        return $client->blocks()->get('dummy');
+    });
+});
+
+it('calls correct url for first', function () {
+    $this->assertResponse('GET', 'blocks/first', function (ArkClient $client) {
+        return $client->blocks()->first();
+    });
+});
+
+it('calls correct url for last', function () {
+    $this->assertResponse('GET', 'blocks/last', function (ArkClient $client) {
+        return $client->blocks()->last();
+    });
+});
+
+it('calls correct url for transactions', function () {
+    $this->assertResponse('GET', 'blocks/dummy/transactions', function (ArkClient $client) {
+        return $client->blocks()->transactions('dummy');
+    });
+});
diff --git a/tests/API/CommitsTest.php b/tests/API/CommitsTest.php
index 33b8e1b..aa3653d 100644
--- a/tests/API/CommitsTest.php
+++ b/tests/API/CommitsTest.php
@@ -5,18 +5,9 @@
 namespace ArkEcosystem\Tests\Client\API;
 
 use ArkEcosystem\Client\ArkClient;
-use ArkEcosystem\Tests\Client\TestCase;
 
-/**
- * @covers \ArkEcosystem\Client\API\Commits
- */
-class CommitsTest extends TestCase
-{
-    /** @test */
-    public function get_calls_correct_url()
-    {
-        $this->assertResponse('GET', 'commits/1', function (ArkClient $client) {
-            return $client->commits()->get(1);
-        });
-    }
-}
+it('calls the correct URL for get', function () {
+    $this->assertResponse('GET', 'commits/1', function (ArkClient $client) {
+        return $client->commits()->get(1);
+    });
+});
diff --git a/tests/API/ContractsTest.php b/tests/API/ContractsTest.php
index 340e9ad..bf4ad7e 100644
--- a/tests/API/ContractsTest.php
+++ b/tests/API/ContractsTest.php
@@ -5,26 +5,15 @@
 namespace ArkEcosystem\Tests\Client\API;
 
 use ArkEcosystem\Client\ArkClient;
-use ArkEcosystem\Tests\Client\TestCase;
 
-/**
- * @covers \ArkEcosystem\Client\API\Contracts
- */
-class ContractsTest extends TestCase
-{
-    /** @test */
-    public function all_calls_correct_url()
-    {
-        $this->assertResponse('GET', 'contracts', function (ArkClient $client) {
-            return $client->contracts()->all();
-        });
-    }
+it('calls the correct url for all contracts', function () {
+    $this->assertResponse('GET', 'contracts', function (ArkClient $client) {
+        return $client->contracts()->all();
+    });
+});
 
-    /** @test */
-    public function abi_calls_correct_url()
-    {
-        $this->assertResponse('GET', 'contracts/consensus/some-wallet/abi', function (ArkClient $client) {
-            return $client->contracts()->abi('consensus', 'some-wallet');
-        });
-    }
-}
+it('calls the correct url for abi', function () {
+    $this->assertResponse('GET', 'contracts/consensus/some-wallet/abi', function (ArkClient $client) {
+        return $client->contracts()->abi('consensus', 'some-wallet');
+    });
+});
diff --git a/tests/API/EVMTest.php b/tests/API/EVMTest.php
index 9f79086..2c583b5 100644
--- a/tests/API/EVMTest.php
+++ b/tests/API/EVMTest.php
@@ -5,27 +5,18 @@
 namespace ArkEcosystem\Tests\Client\API;
 
 use ArkEcosystem\Client\ArkClient;
-use ArkEcosystem\Tests\Client\TestCase;
 
-/**
- * @covers \ArkEcosystem\Client\API\EVM
- */
-class EVMTest extends TestCase
-{
-    /** @test */
-    public function eth_call_calls_correct_url()
-    {
-        $this->assertResponse(
-            method: 'POST',
-            path: 'api/',
-            callback: function (ArkClient $client) {
-                return $client->evm()->ethCall([
-                    'from' => '0x1234567890abcdef',
-                    'to'   => '0xfedcba0987654321',
-                    'data' => '0xabcdef',
-                ]);
-            },
-            expectedApi: 'evm'
-        );
-    }
-}
+it('calls the correct URL for eth_call', function () {
+    $this->assertResponse(
+        method: 'POST',
+        path: 'api/',
+        callback: function (ArkClient $client) {
+            return $client->evm()->ethCall([
+                'from' => '0x1234567890abcdef',
+                'to'   => '0xfedcba0987654321',
+                'data' => '0xabcdef',
+            ]);
+        },
+        expectedApi: 'evm'
+    );
+});
diff --git a/tests/API/NodeTest.php b/tests/API/NodeTest.php
index 0837c88..cc06608 100644
--- a/tests/API/NodeTest.php
+++ b/tests/API/NodeTest.php
@@ -5,50 +5,33 @@
 namespace ArkEcosystem\Tests\Client\API;
 
 use ArkEcosystem\Client\ArkClient;
-use ArkEcosystem\Tests\Client\TestCase;
-
-/**
- * @covers \ArkEcosystem\Client\API\Node
- */
-class NodeTest extends TestCase
-{
-    /** @test */
-    public function status_calls_correct_url()
-    {
-        $this->assertResponse('GET', 'node/status', function (ArkClient $client) {
-            return $client->node()->status();
-        });
-    }
-
-    /** @test */
-    public function syncing_calls_correct_url()
-    {
-        $this->assertResponse('GET', 'node/syncing', function (ArkClient $client) {
-            return $client->node()->syncing();
-        });
-    }
-
-    /** @test */
-    public function configuration_calls_correct_url()
-    {
-        $this->assertResponse('GET', 'node/configuration', function (ArkClient $client) {
-            return $client->node()->configuration();
-        });
-    }
-
-    /** @test */
-    public function crypto_calls_correct_url()
-    {
-        $this->assertResponse('GET', 'node/configuration/crypto', function (ArkClient $client) {
-            return $client->node()->crypto();
-        });
-    }
-
-    /** @test */
-    public function fees_calls_correct_url()
-    {
-        $this->assertResponse('GET', 'node/fees', function (ArkClient $client) {
-            return $client->node()->fees();
-        });
-    }
-}
+
+it('calls the correct url for status', function () {
+    $this->assertResponse('GET', 'node/status', function (ArkClient $client) {
+        return $client->node()->status();
+    });
+});
+
+it('calls the correct url for syncing', function () {
+    $this->assertResponse('GET', 'node/syncing', function (ArkClient $client) {
+        return $client->node()->syncing();
+    });
+});
+
+it('calls the correct url for configuration', function () {
+    $this->assertResponse('GET', 'node/configuration', function (ArkClient $client) {
+        return $client->node()->configuration();
+    });
+});
+
+it('calls the correct url for crypto', function () {
+    $this->assertResponse('GET', 'node/configuration/crypto', function (ArkClient $client) {
+        return $client->node()->crypto();
+    });
+});
+
+it('calls the correct url for fees', function () {
+    $this->assertResponse('GET', 'node/fees', function (ArkClient $client) {
+        return $client->node()->fees();
+    });
+});
diff --git a/tests/API/PeersTest.php b/tests/API/PeersTest.php
index 6d9ffae..b9a40ab 100644
--- a/tests/API/PeersTest.php
+++ b/tests/API/PeersTest.php
@@ -5,26 +5,15 @@
 namespace ArkEcosystem\Tests\Client\API;
 
 use ArkEcosystem\Client\ArkClient;
-use ArkEcosystem\Tests\Client\TestCase;
 
-/**
- * @covers \ArkEcosystem\Client\API\Peers
- */
-class PeersTest extends TestCase
-{
-    /** @test */
-    public function all_calls_correct_url()
-    {
-        $this->assertResponse('GET', 'peers', function (ArkClient $client) {
-            return $client->peers()->all();
-        });
-    }
+it('calls correct url for all', function () {
+    $this->assertResponse('GET', 'peers', function (ArkClient $client) {
+        return $client->peers()->all();
+    });
+});
 
-    /** @test */
-    public function get_calls_correct_url()
-    {
-        $this->assertResponse('GET', 'peers/dummy', function (ArkClient $client) {
-            return $client->peers()->get('dummy');
-        });
-    }
-}
+it('calls correct url for get', function () {
+    $this->assertResponse('GET', 'peers/dummy', function (ArkClient $client) {
+        return $client->peers()->get('dummy');
+    });
+});
diff --git a/tests/API/ReceiptsTest.php b/tests/API/ReceiptsTest.php
index 2ce5f79..b356c1b 100644
--- a/tests/API/ReceiptsTest.php
+++ b/tests/API/ReceiptsTest.php
@@ -5,48 +5,35 @@
 namespace ArkEcosystem\Tests\Client\API;
 
 use ArkEcosystem\Client\ArkClient;
-use ArkEcosystem\Tests\Client\TestCase;
 use Exception;
 
-/**
- * @covers \ArkEcosystem\Client\API\Receipts
- */
-class ReceiptsTest extends TestCase
-{
-    /** @test */
-    public function all_calls_correct_url()
-    {
-        $this->assertResponse('GET', 'receipts', function (ArkClient $client) {
-            return $client->receipts()->all();
-        });
-    }
+it('calls the correct url for all', function () {
+    $this->assertResponse('GET', 'receipts', function (ArkClient $client) {
+        return $client->receipts()->all();
+    });
+});
 
-    /** @test */
-    public function get_calls_correct_url()
-    {
-        $this->assertResponse(
-            method: 'GET',
-            path: 'receipts/dummyTxHash',
-            callback: function (ArkClient $client) {
-                return $client->receipts()->get('dummyTxHash');
-            },
-            response: ['data' => [['id' => 'dummyTxHash']]],
-            expectedBody: ['id' => 'dummyTxHash']
-        );
-    }
+it('calls the correct url for get', function () {
+    $this->assertResponse(
+        method: 'GET',
+        path: 'receipts/dummyTxHash',
+        callback: function (ArkClient $client) {
+            return $client->receipts()->get('dummyTxHash');
+        },
+        response: ['data' => [['id' => 'dummyTxHash']]],
+        expectedBody: ['id' => 'dummyTxHash']
+    );
+});
 
-    /** @test */
-    public function validates_the_response()
-    {
-        $this->expectException(Exception::class);
+it('validates the response', function () {
+    $this->expectException(Exception::class);
 
-        $this->assertResponse(
-            method: 'GET',
-            path: 'receipts/dummyTxHash',
-            callback: function (ArkClient $client) {
-                return $client->receipts()->get('dummyTxHash');
-            },
-            response: ['data' => []],
-        );
-    }
-}
+    $this->assertResponse(
+        method: 'GET',
+        path: 'receipts/dummyTxHash',
+        callback: function (ArkClient $client) {
+            return $client->receipts()->get('dummyTxHash');
+        },
+        response: ['data' => []],
+    );
+});
diff --git a/tests/API/RoundsTest.php b/tests/API/RoundsTest.php
index 9d4528a..0edeb6c 100644
--- a/tests/API/RoundsTest.php
+++ b/tests/API/RoundsTest.php
@@ -5,34 +5,21 @@
 namespace ArkEcosystem\Tests\Client\API;
 
 use ArkEcosystem\Client\ArkClient;
-use ArkEcosystem\Tests\Client\TestCase;
 
-/**
- * @covers \ArkEcosystem\Client\API\Rounds
- */
-class RoundsTest extends TestCase
-{
-    /** @test */
-    public function all_calls_correct_url()
-    {
-        $this->assertResponse('GET', 'rounds', function (ArkClient $client) {
-            return $client->rounds()->all();
-        });
-    }
+it('calls correct url for all', function () {
+    $this->assertResponse('GET', 'rounds', function (ArkClient $client) {
+        return $client->rounds()->all();
+    });
+});
 
-    /** @test */
-    public function view_calls_correct_url()
-    {
-        $this->assertResponse('GET', 'rounds/12345', function (ArkClient $client) {
-            return $client->rounds()->get(12345);
-        });
-    }
+it('calls correct url for view', function () {
+    $this->assertResponse('GET', 'rounds/12345', function (ArkClient $client) {
+        return $client->rounds()->get(12345);
+    });
+});
 
-    /** @test */
-    public function validators_calls_correct_url()
-    {
-        $this->assertResponse('GET', 'rounds/12345/validators', function (ArkClient $client) {
-            return $client->rounds()->validators(12345);
-        });
-    }
-}
+it('calls correct url for validators', function () {
+    $this->assertResponse('GET', 'rounds/12345/validators', function (ArkClient $client) {
+        return $client->rounds()->validators(12345);
+    });
+});
diff --git a/tests/API/TransactionsTest.php b/tests/API/TransactionsTest.php
index 617869b..761c25e 100644
--- a/tests/API/TransactionsTest.php
+++ b/tests/API/TransactionsTest.php
@@ -5,78 +5,59 @@
 namespace ArkEcosystem\Tests\Client\API;
 
 use ArkEcosystem\Client\ArkClient;
-use ArkEcosystem\Tests\Client\TestCase;
 
-/**
- * @covers \ArkEcosystem\Client\API\Transactions
- */
-class TransactionsTest extends TestCase
-{
-    /** @test */
-    public function all_calls_correct_url()
-    {
-        $this->assertResponse('GET', 'transactions', function (ArkClient $client) {
-            return $client->transactions()->all();
-        });
-    }
-
-    /** @test */
-    public function create_calls_correct_url()
-    {
-        $this->assertResponse(
-            method: 'POST',
-            path: 'transactions',
-            callback: function (ArkClient $client) {
-                return $client->transactions()->create(['transactions' => []]);
-            },
-            expectedApi: 'transactions'
-        );
-    }
-
-    /** @test */
-    public function get_calls_correct_url()
-    {
-        $this->assertResponse('GET', 'transactions/dummy', function (ArkClient $client) {
-            return $client->transactions()->get('dummy');
-        });
-    }
-
-    /** @test */
-    public function all_unconfirmed_calls_correct_url()
-    {
-        $this->assertResponse(
-            method: 'GET',
-            path: 'transactions/unconfirmed',
-            callback: function (ArkClient $client) {
-                return $client->transactions()->allUnconfirmed();
-            },
-            expectedApi: 'transactions'
-        );
-    }
-
-    /** @test */
-    public function get_unconfirmed_calls_correct_url()
-    {
-        $this->assertResponse(
-            method: 'GET',
-            path: 'transactions/unconfirmed/dummy',
-            callback: function (ArkClient $client) {
-                return $client->transactions()->getUnconfirmed('dummy');
-            },
-            expectedApi: 'transactions'
-        );
-    }
-
-    /** @test */
-    public function configuration_calls_correct_url()
-    {
-        $this->assertResponse(
-            method: 'GET',
-            path: 'configuration',
-            callback: function (ArkClient $client) {
-                return $client->transactions()->configuration();
-            },
-            expectedApi: 'transactions'
-        );
-    }
-}
+it('calls correct url for all', function () {
+    $this->assertResponse('GET', 'transactions', function (ArkClient $client) {
+        return $client->transactions()->all();
+    });
+});
+
+it('calls correct url for create', function () {
+    $this->assertResponse(
+        method: 'POST',
+        path: 'transactions',
+        callback: function (ArkClient $client) {
+            return $client->transactions()->create(['transactions' => []]);
+        },
+        expectedApi: 'transactions'
+    );
+});
+
+it('calls correct url for get', function () {
+    $this->assertResponse('GET', 'transactions/dummy', function (ArkClient $client) {
+        return $client->transactions()->get('dummy');
+    });
+});
+
+it('calls correct url for all unconfirmed', function () {
+    $this->assertResponse(
+        method: 'GET',
+        path: 'transactions/unconfirmed',
+        callback: function (ArkClient $client) {
+            return $client->transactions()->allUnconfirmed();
+        },
+        expectedApi: 'transactions'
+    );
+});
+
+it('calls correct url for get unconfirmed', function () {
+    $this->assertResponse(
+        method: 'GET',
+        path: 'transactions/unconfirmed/dummy',
+        callback: function (ArkClient $client) {
+            return $client->transactions()->getUnconfirmed('dummy');
+        },
+        expectedApi: 'transactions'
+    );
+});
+
+it('calls correct url for configuration', function () {
+    $this->assertResponse(
+        method: 'GET',
+        path: 'configuration',
+        callback: function (ArkClient $client) {
+            return $client->transactions()->configuration();
+        },
+        expectedApi: 'transactions'
+    );
+});
diff --git a/tests/API/ValidatorsTest.php b/tests/API/ValidatorsTest.php
index dc4fafb..e1d87b4 100644
--- a/tests/API/ValidatorsTest.php
+++ b/tests/API/ValidatorsTest.php
@@ -5,42 +5,27 @@
 namespace ArkEcosystem\Tests\Client\API;
 
 use ArkEcosystem\Client\ArkClient;
-use ArkEcosystem\Tests\Client\TestCase;
 
-/**
- * @covers \ArkEcosystem\Client\API\Validators
- */
-class ValidatorsTest extends TestCase
-{
-    /** @test */
-    public function all_calls_correct_url()
-    {
-        $this->assertResponse('GET', 'validators', function (ArkClient $client) {
-            return $client->validators()->all();
-        });
-    }
+it('calls correct url for all', function () {
+    $this->assertResponse('GET', 'validators', function (ArkClient $client) {
+        return $client->validators()->all();
+    });
+});
 
-    /** @test */
-    public function get_calls_correct_url()
-    {
-        $this->assertResponse('GET', 'validators/dummy', function (ArkClient $client) {
-            return $client->validators()->get('dummy');
-        });
-    }
+it('calls correct url for get', function () {
+    $this->assertResponse('GET', 'validators/dummy', function (ArkClient $client) {
+        return $client->validators()->get('dummy');
+    });
+});
 
-    /** @test */
-    public function blocks_calls_correct_url()
-    {
-        $this->assertResponse('GET', 'validators/dummy/blocks', function (ArkClient $client) {
-            return $client->validators()->blocks('dummy');
-        });
-    }
+it('calls correct url for blocks', function () {
+    $this->assertResponse('GET', 'validators/dummy/blocks', function (ArkClient $client) {
+        return $client->validators()->blocks('dummy');
+    });
+});
 
-    /** @test */
-    public function voters_calls_correct_url()
-    {
-        $this->assertResponse('GET', 'validators/dummy/voters', function (ArkClient $client) {
-            return $client->validators()->voters('dummy');
-        });
-    }
-}
+it('calls correct url for voters', function () {
+    $this->assertResponse('GET', 'validators/dummy/voters', function (ArkClient $client) {
+        return $client->validators()->voters('dummy');
+    });
+});
diff --git a/tests/API/VotesTest.php b/tests/API/VotesTest.php
index 12a3d10..d9d064d 100644
--- a/tests/API/VotesTest.php
+++ b/tests/API/VotesTest.php
@@ -5,34 +5,15 @@
 namespace ArkEcosystem\Tests\Client\API;
 
 use ArkEcosystem\Client\ArkClient;
-use ArkEcosystem\Tests\Client\TestCase;
 
-/**
- * @covers \ArkEcosystem\Client\API\Votes
- */
-class VotesTest extends TestCase
-{
-    /** @test */
-    public function all_calls_correct_url()
-    {
-        $this->assertResponse('GET', 'votes', function (ArkClient $client) {
-            return $client->votes()->all();
-        });
-    }
+it('calls correct url for all', function () {
+    $this->assertResponse('GET', 'votes', function (ArkClient $client) {
+        return $client->votes()->all();
+    });
+});
 
-    /** @test */
-    public function get_calls_correct_url()
-    {
-        $this->assertResponse('GET', 'votes/dummy', function (ArkClient $client) {
-            return $client->votes()->get('dummy');
-        });
-    }
-
-    /**
-     * @return string
-     */
-    protected function getApiClass()
-    {
-        return \ArkEcosystem\Client\API\Votes::class;
-    }
-}
+it('calls correct url for get', function () {
+    $this->assertResponse('GET', 'votes/dummy', function (ArkClient $client) {
+        return $client->votes()->get('dummy');
+    });
+});
diff --git a/tests/API/WalletsTest.php b/tests/API/WalletsTest.php
index 8db83b9..f2c04cd 100644
--- a/tests/API/WalletsTest.php
+++ b/tests/API/WalletsTest.php
@@ -5,74 +5,45 @@
 namespace ArkEcosystem\Tests\Client\API;
 
 use ArkEcosystem\Client\ArkClient;
-use ArkEcosystem\Tests\Client\TestCase;
 
-/**
- * @covers \ArkEcosystem\Client\API\Wallets
- */
-class WalletsTest extends TestCase
-{
-    /** @test */
-    public function all_calls_correct_url()
-    {
-        $this->assertResponse('GET', 'wallets', function (ArkClient $client) {
-            return $client->wallets()->all();
-        });
-    }
-
-    /** @test */
-    public function top_calls_correct_url()
-    {
-        $this->assertResponse('GET', 'wallets/top', function (ArkClient $client) {
-            return $client->wallets()->top();
-        });
-    }
-
-    /** @test */
-    public function get_calls_correct_url()
-    {
-        $this->assertResponse('GET', 'wallets/dummy', function (ArkClient $client) {
-            return $client->wallets()->get('dummy');
-        });
-    }
-
-    /** @test */
-    public function transactions_calls_correct_url()
-    {
-        $this->assertResponse('GET', 'wallets/dummy/transactions', function (ArkClient $client) {
-            return $client->wallets()->transactions('dummy');
-        });
-    }
-
-    /** @test */
-    public function sent_transactions_calls_correct_url()
-    {
-        $this->assertResponse('GET', 'wallets/dummy/transactions/sent', function (ArkClient $client) {
-            return $client->wallets()->sentTransactions('dummy');
-        });
-    }
-
-    /** @test */
-    public function received_transactions_calls_correct_url()
-    {
-        $this->assertResponse('GET', 'wallets/dummy/transactions/received', function (ArkClient $client) {
-            return $client->wallets()->receivedTransactions('dummy');
-        });
-    }
-
-    /** @test */
-    public function votes_calls_correct_url()
-    {
-        $this->assertResponse('GET', 'wallets/dummy/votes', function (ArkClient $client) {
-            return $client->wallets()->votes('dummy');
-        });
-    }
-
-    /**
-     * @return string
-     */
-    protected function getApiClass()
-    {
-        return \ArkEcosystem\Client\API\Wallets::class;
-    }
-}
+it('calls correct url for all', function () {
+    $this->assertResponse('GET', 'wallets', function (ArkClient $client) {
+        return $client->wallets()->all();
+    });
+});
+
+it('calls correct url for top', function () {
+    $this->assertResponse('GET', 'wallets/top', function (ArkClient $client) {
+        return $client->wallets()->top();
+    });
+});
+
+it('calls correct url for get', function () {
+    $this->assertResponse('GET', 'wallets/dummy', function (ArkClient $client) {
+        return $client->wallets()->get('dummy');
+    });
+});
+
+it('calls correct url for transactions', function () {
+    $this->assertResponse('GET', 'wallets/dummy/transactions', function (ArkClient $client) {
+        return $client->wallets()->transactions('dummy');
+    });
+});
+
+it('calls correct url for sent transactions', function () {
+    $this->assertResponse('GET', 'wallets/dummy/transactions/sent', function (ArkClient $client) {
+        return $client->wallets()->sentTransactions('dummy');
+    });
+});
+
+it('calls correct url for received transactions', function () {
+    $this->assertResponse('GET', 'wallets/dummy/transactions/received', function (ArkClient $client) {
+        return $client->wallets()->receivedTransactions('dummy');
+    });
+});
+
+it('calls correct url for votes', function () {
+    $this->assertResponse('GET', 'wallets/dummy/votes', function (ArkClient $client) {
+        return $client->wallets()->votes('dummy');
+    });
+});
diff --git a/tests/ArkClientTest.php b/tests/ArkClientTest.php
index e29a0a7..8194892 100644
--- a/tests/ArkClientTest.php
+++ b/tests/ArkClientTest.php
@@ -8,56 +8,36 @@
 use ArkEcosystem\Client\ArkClient;
 use GuzzleHttp\HandlerStack;
 
-/**
- * @covers \ArkEcosystem\Client\ArkClient
- */
-class ArkClientTest extends TestCase
-{
-    /** @test */
-    public function should_call_an_api_if_exists()
-    {
-        $client = new ArkClient(['api' => $this->host]);
-
-        $actual = $client->blocks();
-
-        $this->assertInstanceOf(Blocks::class, $actual);
-    }
-
-    /** @test */
-    public function should_accept_hosts_as_an_array()
-    {
-        $hosts = [
-            'api'          => 'https://dwallets-evm.mainsailhq.com/api',
-            'transactions' => 'https://dwallets-evm.mainsailhq.com/tx/api',
-            'evm'          => 'https://dwallets-evm.mainsailhq.com/evm',
-        ];
-
-        $client = new ArkClient($hosts);
-
-        $this->assertSame($hosts, $client->connection->getHosts());
-    }
-
-    /** @test */
-    public function does_not_accepts_hosts_array_without_api()
-    {
-        $hosts = [
-            'transactions' => 'https://dwallets-evm.mainsailhq.com/tx/api',
-            'evm'          => 'https://dwallets-evm.mainsailhq.com/evm',
-        ];
-
-        $this->expectException(\InvalidArgumentException::class);
-
-        new ArkClient($hosts);
-    }
-
-    /** @test */
-    public function should_accept_custom_handler()
-    {
-        $handler = HandlerStack::create();
-
-        $client = new ArkClient(hostOrHosts: $this->host, handler: $handler);
-
-        // `getConfig` is deprecated but likely never removed: https://github.com/guzzle/guzzle/issues/3114#issuecomment-1627228395
-        $this->assertSame($handler, $client->connection->getHttpClient()->getConfig('handler'));
-    }
-}
+beforeEach(function () {
+    $this->host = 'https://dwallets-evm.mainsailhq.com/api';
+});
+
+it('calls an api if exists', function () {
+    $client = new ArkClient(['api' => $this->host]);
+    $actual = $client->blocks();
+    expect($actual)->toBeInstanceOf(Blocks::class);
+});
+
+it('accepts hosts as an array', function () {
+    $hosts = [
+        'api'          => 'https://dwallets-evm.mainsailhq.com/api',
+        'transactions' => 'https://dwallets-evm.mainsailhq.com/tx/api',
+        'evm'          => 'https://dwallets-evm.mainsailhq.com/evm',
+    ];
+    $client = new ArkClient($hosts);
+    expect($client->connection->getHosts())->toBe($hosts);
+});
+
+it('does not accept hosts array without api', function () {
+    $hosts = [
+        'transactions' => 'https://dwallets-evm.mainsailhq.com/tx/api',
+        'evm'          => 'https://dwallets-evm.mainsailhq.com/evm',
+    ];
+    new ArkClient($hosts);
+})->throws(\InvalidArgumentException::class);
+
+it('accepts custom handler', function () {
+    $handler = HandlerStack::create();
+    $client  = new ArkClient(hostOrHosts: $this->host, handler: $handler);
+    expect($client->connection->getHttpClient()->getConfig('handler'))->toBe($handler);
+});
diff --git a/tests/ClientManagerTest.php b/tests/ClientManagerTest.php
index c7d34e9..d332a42 100644
--- a/tests/ClientManagerTest.php
+++ b/tests/ClientManagerTest.php
@@ -7,89 +7,66 @@
 use ArkEcosystem\Client\ClientManager;
 use ArkEcosystem\Client\Connection;
 
-/**
- * @covers \ArkEcosystem\Client\ClientManager
- */
-class ClientManagerTest extends TestCase
-{
-    /** @test */
-    public function it_should_create_a_connection()
-    {
-        $manager = new ClientManager();
-        $manager->connect($this->host, 'dummy-client');
-
-        $this->assertArrayHasKey('dummy-client', $manager->getClients());
-    }
-
-    /** @test */
-    public function it_should_throw_if_a_connection_already_exists()
-    {
-        $manager = new ClientManager();
-        $manager->connect($this->host, 'dummy-client');
-
-        $this->expectException(\InvalidArgumentException::class);
-
-        $manager->connect($this->host, 'dummy-client');
-    }
-
-    /** @test */
-    public function it_should_remove_a_connection()
-    {
-        $manager = new ClientManager();
-        $manager->connect($this->host, 'dummy-client');
-
-        $this->assertArrayHasKey('dummy-client', $manager->getClients());
-
-        $manager->disconnect('dummy-client');
-
-        $this->assertArrayNotHasKey('dummy-client', $manager->getClients());
-    }
-
-    /** @test */
-    public function it_should_return_a_connection()
-    {
-        $manager = new ClientManager();
-        $manager->connect($this->host, 'dummy-client');
-
-        $this->assertInstanceOf(Connection::class, $manager->client('dummy-client'));
-    }
-
-    /** @test */
-    public function it_should_throw_if_a_connection_does_not_exists()
-    {
-        $manager = new ClientManager();
-
-        $this->expectException(\InvalidArgumentException::class);
-
-        $manager->client('dummy-client');
-    }
-
-    /** @test */
-    public function it_should_return_the_default_connection()
-    {
-        $manager = new ClientManager();
-
-        $this->assertSame($manager->getDefaultClient('main'), 'main');
-    }
-
-    /** @test */
-    public function it_should_set_the_default_connection()
-    {
-        $manager = new ClientManager();
-        $manager->setDefaultClient('dummy-client');
-
-        $this->assertSame($manager->getDefaultClient(), 'dummy-client');
-    }
-
-    /** @test */
-    public function it_should_return_all_connections()
-    {
-        $manager = new ClientManager();
-        $manager->connect($this->host, 'dummy-client-1');
-        $manager->connect($this->host, 'dummy-client-2');
-        $manager->connect($this->host, 'dummy-client-3');
-
-        $this->assertIsArray($manager->getClients());
-        $this->assertCount(3, $manager->getClients());
-    }
-}
+beforeEach(function () {
+    $this->host = 'http://localhost';
+});
+
+it('should create a connection', function () {
+    $manager = new ClientManager();
+    $manager->connect($this->host, 'dummy-client');
+
+    expect($manager->getClients())->toHaveKey('dummy-client');
+});
+
+it('should throw if a connection already exists', function () {
+    $manager = new ClientManager();
+    $manager->connect($this->host, 'dummy-client');
+
+    $manager->connect($this->host, 'dummy-client');
+})->throws(\InvalidArgumentException::class);
+
+it('should remove a connection', function () {
+    $manager = new ClientManager();
+    $manager->connect($this->host, 'dummy-client');
+
+    expect($manager->getClients())->toHaveKey('dummy-client');
+
+    $manager->disconnect('dummy-client');
+
+    expect($manager->getClients())->not->toHaveKey('dummy-client');
+});
+
+it('should return a connection', function () {
+    $manager = new ClientManager();
+    $manager->connect($this->host, 'dummy-client');
+
+    expect($manager->client('dummy-client'))->toBeInstanceOf(Connection::class);
+});
+
+it('should throw if a connection does not exist', function () {
+    $manager = new ClientManager();
+
+    $manager->client('dummy-client');
+})->throws(\InvalidArgumentException::class);
+
+it('should return the default connection', function () {
+    $manager = new ClientManager();
+
+    expect($manager->getDefaultClient('main'))->toBe('main');
+});
+
+it('should set the default connection', function () {
+    $manager = new ClientManager();
+    $manager->setDefaultClient('dummy-client');
+
+    expect($manager->getDefaultClient())->toBe('dummy-client');
+});
+
+it('should return all connections', function () {
+    $manager = new ClientManager();
+    $manager->connect($this->host, 'dummy-client-1');
+    $manager->connect($this->host, 'dummy-client-2');
+    $manager->connect($this->host, 'dummy-client-3');
+
+    expect($manager->getClients())->toBeArray()->toHaveCount(3);
+});
diff --git a/tests/ConnectionTest.php b/tests/ConnectionTest.php
index abf2cd6..0002b58 100644
--- a/tests/ConnectionTest.php
+++ b/tests/ConnectionTest.php
@@ -8,76 +8,50 @@
 use ArkEcosystem\Client\Connection;
 use GuzzleHttp\HandlerStack;
 
-/**
- * @covers \ArkEcosystem\Client\Connection
- */
-class ConnectionTest extends TestCase
-{
-    /** @test */
-    public function should_accept_hosts_as_an_array()
-    {
-        $hosts = [
-            'api'          => 'https://dwallets-evm.mainsailhq.com/api',
-            'transactions' => 'https://dwallets-evm.mainsailhq.com/tx/api',
-            'evm'          => 'https://dwallets-evm.mainsailhq.com/evm',
-        ];
-
-        $client = new Connection($hosts);
-
-        $this->assertSame($hosts, $client->getHosts());
-    }
-
-    /** @test */
-    public function does_not_accepts_hosts_array_without_api()
-    {
-        $hosts = [
-            'transactions' => 'https://dwallets-evm.mainsailhq.com/tx/api',
-            'evm'          => 'https://dwallets-evm.mainsailhq.com/evm',
-        ];
-
-        $this->expectException(\InvalidArgumentException::class);
-
-        new Connection($hosts);
-    }
-
-    /** @test */
-    public function should_accept_custom_handler()
-    {
-        $handler = HandlerStack::create();
-
-        $connection = new Connection(hostOrHosts: $this->host, handler: $handler);
-
-        $this->assertSame($handler, $connection->getHttpClient()->getConfig('handler'));
-    }
-
-    /** @test */
-    public function should_set_host()
-    {
-        $client = $this->getClient();
-
-        $newHost = 'https://new-host.com/api';
-        $client->setHost($newHost, 'api');
-
-        $this->assertSame($newHost, $client->getHosts()['api']);
-    }
-
-    /** @test */
-    public function should_throw_exception_if_host_type_is_invalid()
-    {
-        $client = $this->getClient();
-
-        $this->expectException(\InvalidArgumentException::class);
-
-        $client->setHost('https://new-host.com/api', 'other');
-    }
-
-    /**
-     * Get a new client instance.
-     *
-     * @return Connection
-     */
-    private function getClient(): Connection
-    {
-        return (new ClientManager())->connect($this->host);
-    }
-}
+beforeEach(function () {
+    $this->host = 'https://dwallets-evm.mainsailhq.com/api';
+});
+
+it('accepts hosts as an array', function () {
+    $hosts = [
+        'api'          => 'https://dwallets-evm.mainsailhq.com/api',
+        'transactions' => 'https://dwallets-evm.mainsailhq.com/tx/api',
+        'evm'          => 'https://dwallets-evm.mainsailhq.com/evm',
+    ];
+
+    $client = new Connection($hosts);
+
+    expect($client->getHosts())->toBe($hosts);
+});
+
+it('does not accept hosts array without api', function () {
+    $hosts = [
+        'transactions' => 'https://dwallets-evm.mainsailhq.com/tx/api',
+        'evm'          => 'https://dwallets-evm.mainsailhq.com/evm',
+    ];
+
+    expect(fn () => new Connection($hosts))->toThrow(\InvalidArgumentException::class);
+});
+
+it('accepts custom handler', function () {
+    $handler = HandlerStack::create();
+
+    $connection = new Connection(hostOrHosts: $this->host, handler: $handler);
+
+    expect($connection->getHttpClient()->getConfig('handler'))->toBe($handler);
+});
+
+it('sets host', function () {
+    $client = (new ClientManager())->connect($this->host);
+
+    $newHost = 'https://new-host.com/api';
+    $client->setHost($newHost, 'api');
+
+    expect($client->getHosts()['api'])->toBe($newHost);
+});
+
+it('throws exception if host type is invalid', function () {
+    $client = (new ClientManager())->connect($this->host);
+
+    expect(fn () => $client->setHost('https://new-host.com/api', 'other'))->toThrow(\InvalidArgumentException::class);
+});
diff --git a/tests/Helpers.php b/tests/Helpers.php
deleted file mode 100644
index f25183a..0000000
--- a/tests/Helpers.php
+++ /dev/null
@@ -1,7 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Tests;
-
-// ..