Remove redundant comment in QRF unit tests

[gavinevans]

Addresses metoppv#2135

Description
Remove redundant comment in the QRF unit tests.

Testing:

• Ran tests and they passed OK
• Added new tests for the new feature(s)

[codecov-commenter]

⚠️ Please install the to ensure uploads and comments are reliably processed by Codecov.

Codecov Report

✅ All modified and coverable lines are covered by tests.
⚠️ Please upload report for BASE (mobt_877_implement_qrf@2266309). Learn more about missing BASE report.
❗ Your organization needs to install the Codecov GitHub app to enable full functionality.

Additional details and impacted files

@@                    Coverage Diff                    @@
##             mobt_877_implement_qrf      #23   +/-   ##
=========================================================
  Coverage                          ?   94.33%           
=========================================================
  Files                             ?      142           
  Lines                             ?    14180           
  Branches                          ?        0           
=========================================================
  Hits                              ?    13377           
  Misses                            ?      803           
  Partials                          ?        0           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.