fix(UTs): failed blur/focus tests

[kobenguyent]

Motivation/Description of the PR

• fixed some failed tests of TestCafe/Webdriver

Type of change

• [ ] :bug: Bug fix

Checklist:

• [ ] Tests have been added
• [ ] Documentation has been added (Run npm run docs)
• [ ] Lint checking (Run npm run lint)
• [ ] Local tests are passed (Run npm test)