[#1851] part 4

[valllllll2000]

Before the PR (what is the issue or what needed to be done)

The solution

Remove duplicated classes between utils and app modules Use the utils classes inside the app module, code related to FormActivity Moved tests to the right module (the ones related to xml)

Screenshots (if appropriate)

Reviewer Checklist

• [ ] Added an explanation about the work done
• [ ] Connected the PR and the issue on Zenhub
• [ ] Added a test plan to the issue
• [ ] Updated the copyright header
• [ ] Formatted the code per our style guide
• [ ] Added a documentation (if relevant)