support polling in cvu tests

[dczulada]

Pull requests into Cypress require the following. Submitter and reviewer should ✅ when done. For items that are not-applicable, note it's not-applicable ("N/A") and ✅.

Submitter:

• This pull request describes why these changes were made.
• Internal ticket for this PR:
• Internal ticket links to this PR
• Code diff has been done and been reviewed
• Tests are included and test edge cases
• Tests have been run locally and pass

Reviewer 1:

Name:

• Code is maintainable and reusable, reuses existing code and infrastructure where appropriate, and accomplishes the task’s purpose
• The tests appropriately test the new code, including edge cases
• You have tried to break the code

Reviewer 2:

Name:

• Code is maintainable and reusable, reuses existing code and infrastructure where appropriate, and accomplishes the task’s purpose
• The tests appropriately test the new code, including edge cases
• You have tried to break the code

[codecov]

Codecov Report

❌ Patch coverage is 89.18919% with 4 lines in your changes missing coverage. Please review.
✅ Project coverage is 91.93%. Comparing base (9874404) to head (246f3a5).

Files with missing lines	Patch %	Lines
app/controllers/test_executions_controller.rb	87.87%	4 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2043      +/-   ##
==========================================
- Coverage   91.98%   91.93%   -0.05%     
==========================================
  Files         159      159              
  Lines        7311     7328      +17     
==========================================
+ Hits         6725     6737      +12     
- Misses        586      591       +5     

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[elsaperelli]

Just a few small comments but the functionality is looking great!

[elsaperelli]

Lgtm!