Fix warnings in Kotlin tests

Author: sdeleuze

spring-context/src/test/kotlin/org/springframework/context/support/BeanDefinitionDslTests.kt

@@ -24,6 +24,7 @@ import org.springframework.context.support.BeanDefinitionDsl.*
 import org.springframework.core.env.SimpleCommandLinePropertySource
 import org.springframework.core.env.get
 
+@Suppress("UNUSED_EXPRESSION")
 class BeanDefinitionDslTests {
 
 	@Test

spring-test/src/main/kotlin/org/springframework/test/web/reactive/server/WebTestClientExtensions.kt

@@ -34,6 +34,7 @@ inline fun <reified T : Any, S : Publisher<T>> WebTestClient.RequestBodySpec.bod
  * @author Sebastien Deleuze
  * @since 5.0
  */
+@Suppress("EXTENSION_SHADOWED_BY_MEMBER")
 inline fun <reified B : Any> WebTestClient.ResponseSpec.expectBody(): WebTestClient.BodySpec<B, *> =
 		expectBody(B::class.java)