Migrate all existing JUnit 4 `assert...` based assertions to AssertJ and add a checkstyle rule to ensure they don't return. See gh-23022  | 
			||
|---|---|---|
| .. | ||
| src | ||
| spring-messaging.gradle | ||
				
					
						
							Migrate all existing JUnit 4 `assert...` based assertions to AssertJ and add a checkstyle rule to ensure they don't return. See gh-23022  | 
			||
|---|---|---|
| .. | ||
| src | ||
| spring-messaging.gradle | ||