BENCH-269 added @Injectmocks to CategoryServiceTest

Author: AndyFlintAnswerDigital

src/test/java/com/answerdigital/answerking/service/CategoryServiceTest.java

@@ -16,6 +16,7 @@
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.ExtendWith;
+import org.mockito.InjectMocks;
 import org.mockito.Mock;
 import org.mockito.junit.jupiter.MockitoExtension;
 
@@ -34,6 +35,7 @@
 @ExtendWith(MockitoExtension.class)
 final class CategoryServiceTest {
 
+    @InjectMocks
     private CategoryService categoryService;
 
     @Mock
@@ -56,16 +58,6 @@ private CategoryServiceTest() {
         productTestBuilder = new ProductTestBuilder();
     }
 
-    @BeforeEach
-    void setUp() {
-        categoryService = new CategoryService(productService, categoryRepository);
-    }
-
-    @AfterEach
-    void tearDown() {
-        categoryService = null;
-    }
-
     @Test
     void testAddCategory() {
         // given