Remove trailing whitespace in spring-test

spring-test/src/main/java/org/springframework/test/context/junit4/rules/SpringMethodRule.java

@@ -224,7 +224,7 @@ public class SpringMethodRule implements MethodRule {
 	 * that is annotated with {@code @ClassRule}.
 	 */
 	private static SpringClassRule validateSpringClassRuleConfiguration(Class<?> testClass) {
-		Field ruleField = findSpringClassRuleField(testClass).orElseThrow(() -> 
+		Field ruleField = findSpringClassRuleField(testClass).orElseThrow(() ->
 				new IllegalStateException(String.format(
 					"Failed to find 'public static final SpringClassRule' field in test class [%s]. " +
 					"Consult the javadoc for SpringClassRule for details.", testClass.getName())));

spring-test/src/test/java/org/springframework/test/context/junit/jupiter/nested/NestedTestsWithSpringAndJUnitJupiterTestCase.java

@@ -32,7 +32,7 @@ import static org.junit.jupiter.api.Assertions.assertEquals;
  * Integration tests that verify support for {@code @Nested} test classes
  * in conjunction with the {@link SpringExtension} in a JUnit 5 (Jupiter)
  * environment.
- * 
+ *
  * @author Sam Brannen
  * @since 5.0
  * @see org.springframework.test.context.junit4.nested.NestedTestsWithSpringRulesTests

spring-test/src/test/java/org/springframework/test/context/junit4/concurrency/SpringJUnit4ConcurrencyTests.java

@@ -55,7 +55,7 @@ import static org.springframework.test.context.junit4.JUnitTestingUtils.*;
  * <p>The tests executed by this test class come from a hand-picked collection of test
  * classes within the test suite that is intended to cover most categories of tests
  * that are currently supported by the TestContext Framework on JUnit 4.
- * 
+ *
  * <p>The chosen test classes intentionally do <em>not</em> include any classes that
  * fall under the following categories.
  *