Exercises G21

Description:
When the spelling error checkbox is checked it is expected to give us warning and red underline on the words with spelling mistakes

1. Open the words and spelling app
2. Uncheck all checked options (by default) except for spelling error
3. Try to write some words incorrectly

*Expected results:
The app should show warnings and red underlines for the words that are misspelled

Actual results:
The app shows no warnings and no red underlines for the misspelled words