Mark all IsFastEnough tests as performance tests

This patch marks remaining/missed tests as ones belonging to
performance tests group.

Issue: SPR-9984

spring-web/src/test/java/org/springframework/web/bind/ServletRequestUtilsTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2012 the original author or authors.
+ * Copyright 2002-2013 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.
@@ -388,6 +388,7 @@ public class ServletRequestUtilsTests {
 
 	@Test
 	public void testGetIntParameterWithDefaultValueHandlingIsFastEnough() {
+		Assume.group(TestGroup.PERFORMANCE);
 		MockHttpServletRequest request = new MockHttpServletRequest();
 		StopWatch sw = new StopWatch();
 		sw.start();