tests: Remove 'test' redundancy from method name

Author: hazendaz

src/test/java/org/apache/ibatis/submitted/cglib_lazy_error/CglibNPETest.java

@@ -64,7 +64,7 @@ void ancestorSelf() {
   }
 
   @Test
-  void testGrandParent() {
+  void grandParent() {
     try (SqlSession sqlSession = sqlSessionFactory.openSession()) {
       PersonMapper personMapper = sqlSession.getMapper(PersonMapper.class);
       Person expectedParent = personMapper.selectById(2);