ci: Fix flaky sendVerificationEmail tests

[dplewis]

Pull Request

• Report security issues confidentially.
• Any contribution is under this license.
• Link this pull request to an issue.

Issue

sendVerificationEmail runs in the background so you need to wait until it's finished

Closes: #9274
Closes: #9275
Closes: #9276

Approach

• Use deferred promises
• Remove jasmine.timeout where needed
• Refactor tests to use async / await

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 92.75%. Comparing base (257be69) to head (e5f4663).

Additional details and impacted files

@@           Coverage Diff           @@
##            alpha    #9692   +/-   ##
=======================================
  Coverage   92.75%   92.75%           
=======================================
  Files         187      187           
  Lines       15066    15066           
=======================================
  Hits        13974    13974           
  Misses       1092     1092           

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