Add test for Format

[rcannood]

Describe your changes

helpers.Format: Add a helper for the Format helper object.

Issue ticket number and link

Closes #xxxx (Replace xxxx with the GitHub issue number)

Checklist before requesting a review

• I have performed a self-review of my code

• Does this PR contain:

  • Breaking changes
  • New functionality
  • Major changes
  • Minor changes
  • Bug fixes

• Proposed changes are described in the CHANGELOG.md

• Relevant unit tests have been added

[codecov]

Codecov Report

Patch and project coverage have no change.

Comparison is base (fbcee49) 89.98% compared to head (b11760e) 89.98%.

Additional details and impacted files

@@           Coverage Diff            @@
##           develop     #466   +/-   ##
========================================
  Coverage    89.98%   89.98%           
========================================
  Files           96       96           
  Lines         3146     3146           
  Branches       460      460           
========================================
  Hits          2831     2831           
  Misses         315      315           

☔ View full report in Codecov by Sentry.
📢 Do you have feedback about the report comment? Let us know in this issue.