Polish annotation-driven event listener support

spring-test/src/main/java/org/springframework/test/context/event/TestContextEvent.java

@@ -50,8 +50,8 @@ public abstract class TestContextEvent extends ApplicationEvent {
 
 	/**
 	 * Alias for {@link #getSource()}.
-	 * <p>This method may be favored over {@code getSource()} to improve readability
-	 * in SpEL expressions for event processing
+	 * <p>This method may be favored over {@code getSource()} &mdash; for example,
+	 * to improve readability in SpEL expressions for event processing
 	 * {@linkplain org.springframework.context.event.EventListener#condition conditions}.
 	 * @return the {@code TestContext} associated with this event (never {@code null})
 	 * @see #getSource()

spring-test/src/test/java/org/springframework/test/context/event/EventPublishingTestExecutionListenerIntegrationTests.java

@@ -272,12 +272,12 @@ public class EventPublishingTestExecutionListenerIntegrationTests {
 			throw new RuntimeException("Boom!");
 		}
 
-		@BeforeTestExecution
+		@BeforeTestExecution("'yes'")
 		public void beforeTestExecution(BeforeTestExecutionEvent e) throws Exception {
 			listener().beforeTestExecution(e.getSource());
 		}
 
-		@AfterTestExecution
+		@AfterTestExecution("'1'")
 		public void afterTestExecution(AfterTestExecutionEvent e) throws Exception {
 			listener().afterTestExecution(e.getSource());
 		}