bug fix

Signed-off-by: Nzhangxinyue <zhangxinyue38@huawei.com>

ace/ace_standard/src/main/js/default/test/dialogProps.test.js

@@ -640,7 +640,7 @@
  
          expect(obj.$type).assertEqual('dialog')
          expect(obj.$attrs.id).assertEqual('dragableNone')
-         expect(obj.$attrs.dragable).assertEqual(undefined)
+         expect(obj.$attrs.dragable).assertEqual(false)
          console.info("[dialogProps] get dragable value is: " + JSON.stringify(obj.$attrs.dragable));
          done();
      });