Use consistently *KotlinTests naming for Kotlin tests

Closes gh-30837

spring-test/src/test/kotlin/org/springframework/test/context/DynamicPropertySourceKotlinIntegrationTests.kt

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2022 the original author or authors.
+ * Copyright 2002-2023 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -32,7 +32,7 @@ import org.springframework.test.context.junit.jupiter.SpringJUnitConfig
  * @author Sam Brannen
  */
 @SpringJUnitConfig
-class KotlinDynamicPropertySourceIntegrationTests {
+class DynamicPropertySourceKotlinIntegrationTests {
 
 	@Test
 	fun hasInjectedValues(@Autowired service: Service) {