Fix incomplete assertions

See gh-34503

Author: wilkinsona

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/web/reactive/WebFluxAutoConfigurationTests.java

@@ -657,7 +657,7 @@ void problemDetailsExceptionHandlerDoesNotPreventProxying() {
 			.withPropertyValues("spring.webflux.problemdetails.enabled:true")
 			.run((context) -> {
 				assertThat(context).hasSingleBean(ProblemDetailsExceptionHandler.class);
-				assertThat(AopUtils.isCglibProxy(context.getBean(ProblemDetailsExceptionHandler.class)));
+				assertThat(AopUtils.isCglibProxy(context.getBean(ProblemDetailsExceptionHandler.class))).isTrue();
 			});
 	}
 

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/web/servlet/WebMvcAutoConfigurationTests.java

@@ -1000,7 +1000,7 @@ void problemDetailsExceptionHandlerDoesNotPreventProxying() {
 			.withPropertyValues("spring.mvc.problemdetails.enabled:true")
 			.run((context) -> {
 				assertThat(context).hasSingleBean(ProblemDetailsExceptionHandler.class);
-				assertThat(AopUtils.isCglibProxy(context.getBean(ProblemDetailsExceptionHandler.class)));
+				assertThat(AopUtils.isCglibProxy(context.getBean(ProblemDetailsExceptionHandler.class))).isTrue();
 			});
 	}