diff --git a/.env.example b/.env.example
index c01e94b07..e63441941 100644
--- a/.env.example
+++ b/.env.example
@@ -1,37 +1,10 @@
-# The path to the WordPress root directory, the one containing the wp-load.php file.
-# This can be a relative path from the directory that contains the codeception.yml file,
-# or an absolute path.
-WORDPRESS_ROOT_DIR=/var/www/html
+# Local site path
+WORDPRESS_ROOT_DIR="/Users/tim/Local Sites/convertkit-github/app/public"
 
-# Tests will require a MySQL database to run.
-# The database will be created if it does not exist.
-# Do not use a database that contains important data!
-WORDPRESS_DB_URL=mysql://root:root@localhost:3306/test
+# Local site URL
+WORDPRESS_URL=http://kit.local
 
-# The Integration suite will use this table prefix for the WordPress tables.
-TEST_TABLE_PREFIX=wp_
-
-# This table prefix used by the WordPress site in end-to-end tests.
-WORDPRESS_TABLE_PREFIX=wp_
-
-# The URL and domain of the WordPress site used in end-to-end tests.
-WORDPRESS_URL=http://127.0.0.1
-WORDPRESS_DOMAIN=127.0.0.1
-WORDPRESS_ADMIN_PATH=/wp-admin
-
-# The username and password of the administrator user of the WordPress site used in end-to-end tests.
-WORDPRESS_ADMIN_USER=admin
-WORDPRESS_ADMIN_PASSWORD=password
-
-# The host and port of the ChromeDriver server that will be used in end-to-end tests.
-CHROMEDRIVER_HOST=localhost
-CHROMEDRIVER_PORT=9515
-
-# The user agents used in end-to-end tests.
-TEST_SITE_HTTP_USER_AGENT=HeadlessChrome
-TEST_SITE_HTTP_USER_AGENT_MOBILE=HeadlessChromeMobile
-
-# Kit specific variables
+# Kit credentials
 CONVERTKIT_OAUTH_ACCESS_TOKEN=
 CONVERTKIT_OAUTH_REFRESH_TOKEN=
 CONVERTKIT_OAUTH_ACCESS_TOKEN_NO_DATA=
@@ -45,50 +18,5 @@ CONVERTKIT_API_KEY=
 CONVERTKIT_API_SECRET=
 CONVERTKIT_API_SIGNED_SUBSCRIBER_ID=
 CONVERTKIT_API_SIGNED_SUBSCRIBER_ID_NO_ACCESS=
-CONVERTKIT_API_SUBSCRIBER_EMAIL="optin@n7studios.com"
-CONVERTKIT_API_SUBSCRIBER_ID="1579118532"
-CONVERTKIT_API_SUBSCRIBER_ID_NO_ACCESS="1632998602"
 CONVERTKIT_API_RECAPTCHA_SITE_KEY=
 CONVERTKIT_API_RECAPTCHA_SECRET_KEY=
-CONVERTKIT_API_FORM_NAME="Page Form [inline]"
-CONVERTKIT_API_FORM_ID="2765139"
-CONVERTKIT_API_FORM_FORMAT_MODAL_NAME="Modal Form [modal]"
-CONVERTKIT_API_FORM_FORMAT_MODAL_NAME_ONLY="Modal Form"
-CONVERTKIT_API_FORM_FORMAT_MODAL_ID="2780977"
-CONVERTKIT_API_FORM_FORMAT_MODAL_URL="https://cheerful-architect-3237.kit.com/397e876257"
-CONVERTKIT_API_FORM_FORMAT_SLIDE_IN_NAME="Slide In Form [slide in]"
-CONVERTKIT_API_FORM_FORMAT_SLIDE_IN_NAME_ONLY="Slide In Form"
-CONVERTKIT_API_FORM_FORMAT_SLIDE_IN_ID="2780979"
-CONVERTKIT_API_FORM_FORMAT_STICKY_BAR_NAME="Sticky Bar Form [sticky bar]"
-CONVERTKIT_API_FORM_FORMAT_STICKY_BAR_NAME_ONLY="Sticky Bar Form"
-CONVERTKIT_API_FORM_FORMAT_STICKY_BAR_ID="2780980"
-CONVERTKIT_API_LANDING_PAGE_NAME="Landing Page"
-CONVERTKIT_API_LANDING_PAGE_ID="2765196"
-CONVERTKIT_API_LANDING_PAGE_CHARACTER_ENCODING_NAME="Character Encoding"
-CONVERTKIT_API_LEGACY_FORM_NAME="Legacy Form"
-CONVERTKIT_API_LEGACY_FORM_ID="470099"
-CONVERTKIT_API_LEGACY_FORM_SHORTCODE="[convertkit form=5281783]"
-CONVERTKIT_API_LEGACY_LANDING_PAGE_NAME="Legacy Landing Page"
-CONVERTKIT_API_LEGACY_LANDING_PAGE_ID="470103"
-CONVERTKIT_API_LEGACY_LANDING_PAGE_URL="https://app.kit.com/landing_pages/470103"
-CONVERTKIT_API_PRODUCT_NAME="Newsletter Subscription"
-CONVERTKIT_API_PRODUCT_ID="36377"
-CONVERTKIT_API_PRODUCT_URL="https://cheerful-architect-3237.kit.com/products/newsletter-subscription"
-CONVERTKIT_API_PRODUCT_DISCOUNT_CODE=B7G96H637H
-CONVERTKIT_API_SEQUENCE_NAME="WordPress Sequence"
-CONVERTKIT_API_SEQUENCE_ID="1030824"
-CONVERTKIT_API_TAG_NAME="wordpress"
-CONVERTKIT_API_TAG_ID="2744672"
-CONVERTKIT_API_THIRD_PARTY_INTEGRATIONS_FORM_NAME="Third Party Integrations Form [inline]"
-CONVERTKIT_API_THIRD_PARTY_INTEGRATIONS_FORM_ID="3003590"
-CONVERTKIT_API_COMMERCE_JS_URL="https://cheerful-architect-3237.kit.com/commerce.js"
-CONVERTKIT_API_BROADCAST_ID=3175837
-CONVERTKIT_API_BROADCAST_FIRST_URL="https://cheerful-architect-3237.kit.com/posts/html-template-test"
-CONVERTKIT_API_BROADCAST_FIRST_TITLE="HTML Template Test"
-CONVERTKIT_API_BROADCAST_FIRST_DATE="2023-08-02T16:34:51.000Z"
-CONVERTKIT_API_BROADCAST_FIRST_DESCRIPTION="This is a sample meta description."
-CONVERTKIT_API_BROADCAST_SECOND_URL="https://cheerful-architect-3237.kit.com/posts/paid-subscriber-broadcast"
-CONVERTKIT_API_BROADCAST_SECOND_TITLE="Paid Subscriber Broadcast"
-CONVERTKIT_API_BROADCAST_THIRD_URL="https://cheerful-architect-3237.kit.com/posts/test-subject"
-CONVERTKIT_API_BROADCAST_THIRD_TITLE="Test Subject"
-CONVERTKIT_API_BROADCAST_COUNT=5
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 8280d03a7..da1d50587 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -253,15 +253,12 @@ jobs:
           echo "CONVERTKIT_OAUTH_ACCESS_TOKEN_NO_DATA=$access_token" >> $GITHUB_ENV
           echo "CONVERTKIT_OAUTH_REFRESH_TOKEN_NO_DATA=$refresh_token" >> $GITHUB_ENV
 
-      # Write any secrets, such as API keys, to the .env.dist.testing file now.
-      # Make sure your committed .env.dist.testing file ends with a newline.
-      # The formatting of the contents to include a blank newline is deliberate.
+      # Write any secrets, such as API keys, to the .env.testing file now.
       - name: Define GitHub Secrets in .env.dist.testing
         uses: DamianReeves/write-file-action@v1.3
         with:
-          path: ${{ env.PLUGIN_DIR }}/.env.dist.testing
+          path: ${{ env.PLUGIN_DIR }}/.env.testing
           contents: |
-
             CONVERTKIT_API_KEY=${{ env.CONVERTKIT_API_KEY }}
             CONVERTKIT_API_SECRET=${{ env.CONVERTKIT_API_SECRET }}
             CONVERTKIT_API_KEY_NO_DATA=${{ env.CONVERTKIT_API_KEY_NO_DATA }}
@@ -278,7 +275,7 @@ jobs:
             CONVERTKIT_API_RECAPTCHA_SITE_KEY=${{ env.CONVERTKIT_API_RECAPTCHA_SITE_KEY }}
             CONVERTKIT_API_RECAPTCHA_SECRET_KEY=${{ env.CONVERTKIT_API_RECAPTCHA_SECRET_KEY }}
             
-          write-mode: append
+          write-mode: overwrite
 
       # Installs wp-browser, Codeception, PHP CodeSniffer and anything else needed to run tests.
       - name: Run Composer
diff --git a/SETUP.md b/SETUP.md
index 8d35ab361..fe69030f2 100644
--- a/SETUP.md
+++ b/SETUP.md
@@ -58,17 +58,9 @@ Create a blank `test` database in MySQL, with a MySQL user who can read and writ
 
 ### Configure Testing Environment
 
-Copy the `.env.example` file to `.env.testing` in the root of this repository, changing folder and database credentials as necessary.
+Copy the `.env.example` file to `.env.testing` in the root of this repository, changing parameters to match your local development environment as necessary.
 
-### Codeception
-
-Create a `codeception.yml` file in the root of the repository, with the following contents:
-```yaml
-params:
-    - .env.testing
-```
-
-This tells Codeception to read the above `.env.testing` file when testing on the local development enviornment.
+You'll also want to include Kit credentials, such as API Keys and OAuth tokens here.  `.env.testing` is excluded from Git, to ensure these sensitive credentials are not stored in version control.
 
 ### Install Packages
 
@@ -135,21 +127,21 @@ chromedriver --url-base=/wd/hub
 
 ![ChromeDriver Screenshot](/.github/docs/chromedriver.png?raw=true)
 
-In a second Terminal window, in the Plugin's directory, build and run the tests to make sure there are no errors and that you have 
+In a second Terminal window, in the Plugin's directory, build and run the a test to make sure there are no errors and that you have 
 correctly setup your environment:
 
 ```bash
 vendor/bin/codecept build
-vendor/bin/codecept run EndToEnd
-vendor/bin/codecept run Integration
+vendor/bin/codecept run EndToEnd general/other/ActivateDeactivatePluginCest --fail-fast
+vendor/bin/codecept run Integration APITest:testAccessTokenRefreshedAndSavedWhenExpired --fail-fast
 ```
 
 ![Codeception Test Results](/.github/docs/codeception.png?raw=true)
 
 Don't worry if you don't understand these commands; if your output looks similar to the above screenshot, and no test is prefixed with `E`, 
-your environment is setup successfully.
+your environment is setup successfully. Our [Testing Guide](TESTING.md) covers this in more detail.
 
-### Running CodeSniffer
+### Running PHP CodeSniffer
 
 In the Plugin's directory, run the following command to run PHP_CodeSniffer, which will check the code meets WordPress' Coding Standards:
 
diff --git a/codeception.dist.yml b/codeception.dist.yml
index 0cfedfc1d..5660ac453 100644
--- a/codeception.dist.yml
+++ b/codeception.dist.yml
@@ -24,4 +24,5 @@ extensions:
         - lucatume\WPBrowser\Command\DevRestart
         - lucatume\WPBrowser\Command\ChromedriverUpdate
 params:
-    - .env.dist.testing
\ No newline at end of file
+    - .env.dist.testing
+    - .env.testing
\ No newline at end of file