Add new testing tools to the list :test_tube:

[Zoran Pandovski]

Before adding a new testing tool, please follow the contributing guide:

• Search previous suggestions before making a new one, as yours may be a duplicate.
• Make an individual pull request for each suggestion.
• Chose the corresponding section.
• New categories or improvements to the existing categorization are welcome.
  Thanks 🕵️‍♀️ 🕵️‍♂️

[tlu1717]

Hello, I have a PR for this issue. #33 However, I'm not able to link the PR to this issue.