[SPR-8633] Introduced generic invokeMethod() in ReflectionTestUtils.

build-spring-framework/resources/changelog.txt

@@ -44,6 +44,7 @@ Changes in version 3.1 RC1 (2011-09-xx)
 * JavaMailSenderImpl detects and respects "mail.transport.protocol" property in existing Session
 * added ConcurrentMapCacheManager, dynamically building ConcurrentMapCache instances at runtime
 * added "disabled" property to EhCacheFactoryBean
+* introduced generic invokeMethod() in ReflectionTestUtils
 * introduced DelegatingSmartContextLoader as new default ContextLoader for TestContext framework
 * deprecated @ExpectedException
 * AnnotationConfigContextLoader now detects default configuration classes within test classes