Merge pull request #17648 from izeye

* pr/17648:
  Add missing assertion in dispatcherServletCustomConfig()

Closes gh-17648

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

@@ -166,6 +166,7 @@ class DispatcherServletAutoConfigurationTests {
 					assertThat(dispatcherServlet).extracting("throwExceptionIfNoHandlerFound").containsExactly(true);
 					assertThat(dispatcherServlet).extracting("dispatchOptionsRequest").containsExactly(false);
 					assertThat(dispatcherServlet).extracting("dispatchTraceRequest").containsExactly(true);
+					assertThat(dispatcherServlet).extracting("publishEvents").containsExactly(false);
 					assertThat(context.getBean("dispatcherServletRegistration"))
 							.hasFieldOrPropertyWithValue("loadOnStartup", 5);
 				});