Description

Revisited tests (except screens folder)
Added documentation for tests and made corrections.

Fixes #<issue_no>

Type of change

Delete unchecked boxes (only for Type of change)

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

How Has This Been Tested?

Added documentation for tests. Tested using the Flutter framework to make sure the test is correct. using VS code and Android Studio.

Development Configuration
Type "flutter --version" and "dart --version" in your CMD to check versions.

• Flutter version: 3,3,8
• Dart version: 2,18,4

Checklist:

• [x ] My code follows the style guidelines of this project
• [x ] I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas, if necessary
• [x ] I have made corresponding changes to the documentation, if necessary
• [x ] My changes generate no new warnings
• [x ] I have added tests that prove my fix is effective or that my feature works, if necessary
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules
• I have Acceptance Tested this on an iOS device
• I have Acceptance Tested this on an Android device