[SPR-7960] Trimming profiles for good measure.

org.springframework.test/src/main/java/org/springframework/test/context/ContextLoaderUtils.java

@@ -270,7 +270,7 @@ abstract class ContextLoaderUtils {
 
 			for (String profile : profiles) {
 				if (StringUtils.hasText(profile)) {
-					activeProfiles.add(profile);
+					activeProfiles.add(profile.trim());
 				}
 			}
 

org.springframework.test/src/test/java/org/springframework/test/context/ContextLoaderUtilsTests.java

@@ -116,7 +116,7 @@ public class ContextLoaderUtilsTests {
 	private static class EmptyProfiles {
 	}
 
-	@ActiveProfiles({ "foo", "bar", "foo", "bar", "baz" })
+	@ActiveProfiles({ "foo", "bar", "  foo", "bar  ", "baz" })
 	private static class DuplicatedProfiles {
 	}