modify xts for taskpool.cancel

description:
modify xts for taskpool.cancel

issue:https://gitee.com/openharmony/xts_acts/issues/I69V6KSigned-off-by: Nbuzhuyu <buzhuyu@huawei.com>

commonlibrary/ets_utils/taskpool_lib_standard/src/main/js/test/TaskPool.test.js

@@ -965,7 +965,8 @@ describe('ActsAbilityTest', function () {
             taskpool.cancel(task1);
         }
         catch (e) {
-          expect(e.toString()).assertEqual("BusinessError: taskpool:: can not cancel the running task");
+          expect(e.toString()).assertEqual(
+              "BusinessError: The task is executing when it is canceled, taskpool:: can not cancel the running task");
         }
         done();
     })
@@ -1006,7 +1007,8 @@ describe('ActsAbilityTest', function () {
             taskpool.cancel(task1);
         }
         catch (e) {
-          expect(e.toString()).assertEqual("BusinessError: taskpool:: can not cancel the running task");
+          expect(e.toString()).assertEqual(
+              "BusinessError: The task is executing when it is canceled, taskpool:: can not cancel the running task");
         }
         done();
     })
@@ -1040,7 +1042,8 @@ describe('ActsAbilityTest', function () {
             taskpool.cancel(task1);
         }
         catch (e) {
-          expect(e.toString()).assertEqual("BusinessError: taskpool:: can not find the task");
+            expect(e.toString()).assertEqual(
+                "BusinessError: The task does not exist when it is canceled, taskpool:: can not find the task");
         }
         done();
     })
@@ -1080,7 +1083,8 @@ describe('ActsAbilityTest', function () {
             taskpool.cancel(task3);
         }
         catch (e) {
-          expect(e.toString()).assertEqual("BusinessError: taskpool:: can not find the task");
+            expect(e.toString()).assertEqual(
+                "BusinessError: The task does not exist when it is canceled, taskpool:: can not find the task");
         }
         done();
     })
@@ -1108,7 +1112,8 @@ describe('ActsAbilityTest', function () {
             taskpool.cancel(task3);
         }
         catch (e) {
-          expect(e.toString()).assertEqual("BusinessError: taskpool:: can not find the task");
+            expect(e.toString()).assertEqual(
+                "BusinessError: The task does not exist when it is canceled, taskpool:: can not find the task");
         }
         done();
     })
@@ -1136,7 +1141,8 @@ describe('ActsAbilityTest', function () {
             taskpool.cancel(task3);
         }
         catch (e) {
-          expect(e.toString()).assertEqual("BusinessError: taskpool:: can not find the task");
+            expect(e.toString()).assertEqual(
+                "BusinessError: The task does not exist when it is canceled, taskpool:: can not find the task");
         }
         done();
     })
@@ -1178,7 +1184,8 @@ describe('ActsAbilityTest', function () {
             taskpool.cancel(task3);
         }
         catch (e) {
-          expect(e.toString()).assertEqual("BusinessError: taskpool:: can not find the task");
+            expect(e.toString()).assertEqual(
+                "BusinessError: The task does not exist when it is canceled, taskpool:: can not find the task");
         }
         done();
     })
@@ -1220,7 +1227,8 @@ describe('ActsAbilityTest', function () {
             taskpool.cancel(task3);
         }
         catch (e) {
-          expect(e.toString()).assertEqual("BusinessError: taskpool:: can not find the task");
+            expect(e.toString()).assertEqual(
+                "BusinessError: The task does not exist when it is canceled, taskpool:: can not find the task");
         }
         done();
     })
@@ -1252,6 +1260,11 @@ describe('ActsAbilityTest', function () {
             var result5 = taskpool.execute(task5);
             var result6 = taskpool.execute(task6);
 
+            var start = new Date().getTime();
+            while (new Date().getTime() - start < 100) {
+              continue;
+            }
+
             taskpool.cancel(task6);
             taskpool.cancel(task5);
             taskpool.cancel(task4);
@@ -1259,7 +1272,8 @@ describe('ActsAbilityTest', function () {
             taskpool.cancel(task2);
         }
         catch (e) {
-          expect(e.toString()).assertEqual("BusinessError: taskpool:: can not find the task");
+            expect(e.toString()).assertEqual(
+                "BusinessError: The task does not exist when it is canceled, taskpool:: can not find the task");
         }
         done();
     })
@@ -1291,6 +1305,11 @@ describe('ActsAbilityTest', function () {
             var result5 = taskpool.execute(task5);
             var result6 = taskpool.execute(task6);
 
+            var start = new Date().getTime();
+            while (new Date().getTime() - start < 100) {
+              continue;
+            }
+
             taskpool.cancel(task6);
             taskpool.cancel(task5);
             taskpool.cancel(task4);
@@ -1298,7 +1317,8 @@ describe('ActsAbilityTest', function () {
             taskpool.cancel(task2);
         }
         catch (e) {
-          expect(e.toString()).assertEqual("BusinessError: taskpool:: can not find the task");
+            expect(e.toString()).assertEqual(
+                "BusinessError: The task does not exist when it is canceled, taskpool:: can not find the task");
         }
         done();
     })