Fix tests after HandlerExceptionResolver logging changes

See gh-14936 and gh-15189

Author: wilkinsona

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

@@ -85,6 +85,7 @@
 import org.springframework.web.servlet.i18n.FixedLocaleResolver;
 import org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter;
 import org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping;
+import org.springframework.web.servlet.mvc.support.DefaultHandlerExceptionResolver;
 import org.springframework.web.servlet.resource.AppCacheManifestTransformer;
 import org.springframework.web.servlet.resource.CachingResourceResolver;
 import org.springframework.web.servlet.resource.CachingResourceTransformer;
@@ -573,7 +574,8 @@ private ContextConsumer<AssertableWebApplicationContext> assertExceptionResolver
 			List<HandlerExceptionResolver> delegates = ((HandlerExceptionResolverComposite) resolver)
 					.getExceptionResolvers();
 			for (HandlerExceptionResolver delegate : delegates) {
-				if (delegate instanceof AbstractHandlerExceptionResolver) {
+				if (delegate instanceof AbstractHandlerExceptionResolver
+						&& !(delegate instanceof DefaultHandlerExceptionResolver)) {
 					consumer.accept(ReflectionTestUtils.getField(delegate, "warnLogger"));
 				}
 			}