bug fix

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

arkui/ace_ets_component/entry/src/main/ets/test/SwiperJsunit.test.ets

@@ -450,7 +450,7 @@ export default function swiperJsunit() {
       try {
         let eventData = {
           data: {
-            "duration": "nan"
+            "duration": "0"
           }
         }
         let indexEvent = {
@@ -466,7 +466,7 @@ export default function swiperJsunit() {
       let strJsonNew = getInspectorByKey('swiper');
       let objNew = JSON.parse(strJsonNew);
       console.info("swiperTest_1900 component objNew is: " + JSON.stringify(objNew));
-      expect(objNew.$attrs.duration).assertEqual('nan');
+      expect(objNew.$attrs.duration).assertEqual('0.000000');
       console.info('swiperTest_1900 END');
       done();
     });