Add test for false positive GPL3 license

[alok1304]

Adding test for false positive GPL3 License.

Fixes #3932

Tasks

• Reviewed contribution guidelines
• PR is descriptively titled 📑 and links the original issue above 🔗
• Tests pass -- look for a green checkbox ✔️ a few minutes after opening your PR
  Run tests locally to check for errors.
• Commits are in uniquely-named feature branch and has no merge conflicts 📁
• Updated documentation pages (if applicable)
• Updated CHANGELOG.rst (if applicable)

Signed-off-by: Alok Kumar [email protected]

[AyanSinhaMahapatra]

Thanks @alok1304, please see my review comments for your consideration

[AyanSinhaMahapatra]

Thanks++ @alok1304 , merging!