Test: Create tests for src/resolvers/Mutation/updateCommunity.ts

[palisadoes]

We will need unittests done for all methods, classes and functions found in this file.

Any widgets, components, modals referenced in this file must also have unittests done

PR Acceptance Criteria

• When complete this file must show at least 100% coverage when merged into the code base.
• The current code coverage for the file can be found here
• The PR will show a report for the code coverage for the file you have added. You can use that as a guide
• Please coordinate issue assignment and PR reviews with the contributors listed in this issue Student Internship Programs talawa#359

[akhilender-bongirwar]

@Cioppolo14 I would like to work on this issue. Please assign me.

[akhilender-bongirwar]

@Cioppolo14, i just checked the updateCommunity.ts already has 100% code coverage.