KTLN-587 changed tests postfix

Author: mipo256

kotlin-dsl/src/test/java/com/baeldung/functionaldsl/regularcontroller/RegularControllerTest.java renamed to kotlin-dsl/src/test/java/com/baeldung/functionaldsl/regularcontroller/RegularControllerUnitTest.java

@@ -16,7 +16,7 @@
 
 @WebMvcTest(controllers = RegularController.class)
 @ContextConfiguration(classes = RegularController.class)
-public class RegularControllerTest {
+public class RegularControllerUnitTest {
 
     @Autowired
     private MockMvc mockMvc;

kotlin-dsl/src/test/java/com/baeldung/functionaldsl/router_function/RouterFunctionTest.java renamed to kotlin-dsl/src/test/java/com/baeldung/functionaldsl/router_function/RouterFunctionUnitTest.java

@@ -16,7 +16,7 @@
 
 @WebMvcTest(controllers = Application.class)
 @ContextConfiguration(classes = Application.class)
-public class RouterFunctionTest {
+public class RouterFunctionUnitTest {
 
     @Autowired
     private MockMvc mockMvc;

kotlin-dsl/src/test/java/com/baeldung/functionaldsl/routerfunctiondsl/RouterDslTest.java renamed to kotlin-dsl/src/test/java/com/baeldung/functionaldsl/routerfunctiondsl/RouterDslUnitTest.java

@@ -16,7 +16,7 @@
 
 @WebMvcTest(controllers = Application.class)
 @ContextConfiguration(classes = Application.class)
-public class RouterDslTest {
+public class RouterDslUnitTest {
 
     @Autowired
     private MockMvc mockMvc;