bug fix

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

ace/ace_ets_component/entry/src/main/ets/MainAbility/test/ImageEffectsJsunit.test.ets

@@ -504,7 +504,7 @@ export default function imageEffectsJsunit() {
       try {
         var eventData = {
           data: {
-            "saturateValue": 'error'
+            "saturateValue": '0'
           }
         }
         var innerEvent = {
@@ -520,7 +520,7 @@ export default function imageEffectsJsunit() {
       let strJsonNew = getInspectorByKey('centerRow6');
       let objNew = JSON.parse(strJsonNew);
       console.info("[testImageEffects020] component objNew is: " + JSON.stringify(objNew));
-      expect(objNew.$attrs.saturate).assertEqual(0.0000019999999949504854);
+      expect(objNew.$attrs.saturate).assertEqual(0);
       done();
     });