Polish "Stop time web metrics when autotime is disabled"

See gh-19981

spring-boot-project/spring-boot-actuator-autoconfigure/src/test/java/org/springframework/boot/actuate/autoconfigure/metrics/web/TestController.java

 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -49,7 +49,7 @@ public class TestController {
 	@Timed
 	@GetMapping("test3")
 	public String test3() {
-		return "test2";
+		return "test3";
 	}
 
 }

spring-boot-project/spring-boot-actuator-autoconfigure/src/test/java/org/springframework/boot/actuate/autoconfigure/metrics/web/servlet/WebMvcMetricsAutoConfigurationTests.java

@@ -71,8 +71,8 @@ import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.
 @ExtendWith(OutputCaptureExtension.class)
 class WebMvcMetricsAutoConfigurationTests {
 
-	private WebApplicationContextRunner contextRunner = new WebApplicationContextRunner().with(MetricsRun.simple())
-			.withConfiguration(AutoConfigurations.of(WebMvcMetricsAutoConfiguration.class));
+	private final WebApplicationContextRunner contextRunner = new WebApplicationContextRunner()
+			.with(MetricsRun.simple()).withConfiguration(AutoConfigurations.of(WebMvcMetricsAutoConfiguration.class));
 
 	@Test
 	void backsOffWhenMeterRegistryIsMissing() {
@@ -183,11 +183,12 @@ class WebMvcMetricsAutoConfigurationTests {
 						.contains(LongTaskTimingHandlerInterceptor.class));
 	}
 
+	private MeterRegistry getInitializedMeterRegistry(AssertableWebApplicationContext context) throws Exception {
+		return getInitializedMeterRegistry(context, "/test0", "/test1", "/test2");
+	}
+
 	private MeterRegistry getInitializedMeterRegistry(AssertableWebApplicationContext context, String... urls)
 			throws Exception {
-		if (urls.length == 0) {
-			urls = new String[] { "/test0", "/test1", "/test2" };
-		}
 		assertThat(context).hasSingleBean(FilterRegistrationBean.class);
 		Filter filter = context.getBean(FilterRegistrationBean.class).getFilter();
 		assertThat(filter).isInstanceOf(WebMvcMetricsFilter.class);

spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/metrics/web/servlet/WebMvcMetricsFilter.java

 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -144,11 +144,11 @@ public class WebMvcMetricsFilter extends OncePerRequestFilter {
 				Builder builder = this.autoTimer.builder(this.metricName);
 				timerSample.stop(getTimer(builder, handler, request, response, exception));
 			}
-			return;
-		}
-		for (Timed annotation : annotations) {
-			Builder builder = Timer.builder(annotation, this.metricName);
-			timerSample.stop(getTimer(builder, handler, request, response, exception));
+		} else {
+			for (Timed annotation : annotations) {
+				Builder builder = Timer.builder(annotation, this.metricName);
+				timerSample.stop(getTimer(builder, handler, request, response, exception));
+			}
 		}
 	}