Refactor: tests/resolvers/GroupChatMessage

[anshgoyalevil]

This is a child issue to the issue listed here: #965

• Code need to be refactored for folder tests/resolvers/GroupChatMessage
• We will need the API to be refactored for all methods, classes and/or functions found in this file for testing to be correctly executed.
• When complete, all all methods, classes and/or functions in the refactored file will need to be tested.
• Refer to the parent issue on getting an insight on how this issue need to be resolved.

IMPORTANT:

Please refer to the parent issue on how to refactor the code correctly.

Parent Issue

PR Acceptance Criteria

• When complete this file must show 100% coverage when merged into the code base. This will be clearly visible when you submit your PR.
• The current code coverage for the file can be found by visting this page. Login using your GitHub credentials.
• Create your own codecov.io to help with testing.
• The PR you create will show a report for the code coverage for the file you have added. You can also use that as a guide.

[anshgoyalevil]

@EshaanAgg You can take on this

[EshaanAgg]

I would like to work on this issue.