fix test

Author: Tucchhaa

e2e/testcafe-devextreme/tests/scheduler/common/keyboardNavigation/appointments.ts

@@ -6,7 +6,6 @@ import { createWidget } from '../../../../helpers/createWidget';
 fixture.disablePageReloads`KeyboardNavigation.Appointments`
   .page(url(__dirname, '../../../container.html'));
 
-const PARENT_SELECTOR = '#parentContainer';
 const SCHEDULER_SELECTOR = '#container';
 
 test('Document should not scroll on \'End\' press when appointment is focused', async (t) => {
@@ -20,10 +19,9 @@ test('Document should not scroll on \'End\' press when appointment is focused',
 
   await t.expect(scrollTop).eql(0);
 }).before(async () => {
-  ClientFunction((selector) => {
-    const parent = document.querySelector(selector) as HTMLElement;
-    parent.style.height = '2000px';
-  })(PARENT_SELECTOR);
+  await ClientFunction(() => {
+    document.body.style.height = '2000px';
+  })();
 
   await createWidget('dxScheduler', {
     dataSource: [
@@ -48,10 +46,9 @@ test('Document should not scroll on \'End\' press when appointment is focused',
     currentDate: new Date(2015, 1, 9),
   });
 }).after(async () => {
-  ClientFunction((selector) => {
-    const parent = document.querySelector(selector) as HTMLElement;
-    parent.style.height = '';
-  })(PARENT_SELECTOR);
+  await ClientFunction(() => {
+    document.body.style.height = '';
+  })();
 });
 
 test('Document should not scroll on \'Home\' press when appointment is focused', async (t) => {
@@ -67,10 +64,9 @@ test('Document should not scroll on \'Home\' press when appointment is focused',
 
   await t.expect(scrollTop).eql(initialScrollTop);
 }).before(async () => {
-  ClientFunction((selector) => {
-    const parent = document.querySelector(selector) as HTMLElement;
-    parent.style.height = '2000px';
-  })(PARENT_SELECTOR);
+  await ClientFunction(() => {
+    document.body.style.height = '2000px';
+  })();
 
   await createWidget('dxScheduler', {
     dataSource: [
@@ -95,8 +91,7 @@ test('Document should not scroll on \'Home\' press when appointment is focused',
     currentDate: new Date(2015, 1, 9),
   });
 }).after(async () => {
-  ClientFunction((selector) => {
-    const parent = document.querySelector(selector) as HTMLElement;
-    parent.style.height = '';
-  })(PARENT_SELECTOR);
+  await ClientFunction(() => {
+    document.body.style.height = '';
+  })();
 });