Remove trailing whitespace from Java source code

spring-test/src/main/java/org/springframework/test/annotation/DirtiesContext.java

@@ -36,7 +36,7 @@ import java.lang.annotation.Target;
  *
  * <p>{@code @DirtiesContext} may be used as a class-level and method-level
  * annotation within the same class or class hierarchy. In such scenarios, the
- * {@code ApplicationContext} will be marked as <em>dirty</em> before or 
+ * {@code ApplicationContext} will be marked as <em>dirty</em> before or
  * after any such annotated method as well as before or after the current test
  * class, depending on the configured {@link #methodMode} and {@link #classMode}.
  *

spring-test/src/test/java/org/springframework/test/context/cache/ClassLevelDirtiesContextTestNGTests.java

@@ -45,7 +45,7 @@ import static org.springframework.test.context.cache.ContextCacheTestUtils.*;
  * JUnit 4 based integration test which verifies correct {@linkplain ContextCache
  * application context caching} in conjunction with Spring's TestNG support
  * and {@link DirtiesContext @DirtiesContext} at the class level.
- * 
+ *
  * <p>This class is a direct copy of {@link ClassLevelDirtiesContextTests},
  * modified to verify behavior in conjunction with TestNG.
  *