Polish

See gh-4657

spring-boot-project/spring-boot/src/main/java/org/springframework/boot/web/embedded/jetty/JettyGracefulShutdown.java

@@ -74,7 +74,7 @@ class JettyGracefulShutdown implements GracefulShutdown {
 			return true;
 		}
 		if (logger.isInfoEnabled()) {
-			logger.info("Grace period elaped with " + activeRequests + " request(s) still active");
+			logger.info("Grace period elapsed with " + activeRequests + " request(s) still active");
 		}
 		return activeRequests == 0;
 	}

spring-boot-project/spring-boot/src/test/java/org/springframework/boot/web/embedded/jetty/JettyReactiveWebServerFactoryTests.java

@@ -143,7 +143,7 @@ class JettyReactiveWebServerFactoryTests extends AbstractReactiveWebServerFactor
 		blockingHandler.completeOne();
 		responseLatch.await(5, TimeUnit.SECONDS);
 		this.webServer.stop();
-		Throwable error = await().atMost(Duration.ofSeconds(5)).until(errorReference::get, (ex) -> ex != null);
+		Throwable error = await().atMost(Duration.ofSeconds(30)).until(errorReference::get, (ex) -> ex != null);
 		assertThat(error).isInstanceOf(IOException.class);
 	}
 

spring-boot-project/spring-boot/src/test/java/org/springframework/boot/web/reactive/server/AbstractReactiveWebServerFactoryTests.java

@@ -520,7 +520,6 @@ public abstract class AbstractReactiveWebServerFactoryTests {
 		public void completeOne() {
 			try {
 				MonoProcessor<Void> processor = this.monoProcessors.take();
-				System.out.println("Completing " + processor);
 				processor.onComplete();
 			}
 			catch (InterruptedException ex) {