text: ({
      testCallingHelperMethodWhenCmpOnlyHasInheritedHelper: {
          test: function(cmp) {
              var expected = "Message From Super Component Helper Method";
              var actual = cmp.helper.getMessageFromSuperCmp();
  
              $A.test.assertEquals(expected, actual);
          }
      },
  
      testHelperIsDifferentInstanceWithSuperCmpHelperWhenCmpOnlyHasInheritedHelper: {
          test: function(cmp) {
              var superCmp = cmp.getSuper();
              $A.test.assertTrue(superCmp.helper !== cmp.helper,
                      "component helper should has its own helper instance.");
          }
      }
  })
  