As mentioned here:
https://github.com/mglaman/drupal-check/wiki/Drupal-9-Readiness

What if I have no compatibility issues?

You can add this drupalci.yml file to indicate you are Drupal 9 ready!

https://gist.github.com/josephdpurcell/1c78367cedc15a075e4231a5a685ced9

This will ensure that deprecation errors are not suppressed during test runs on Drupal CI.

Comments

Nikolay Borisov created an issue. See original summary.

  • Nikolay Borisov committed 76bcdcc on 8.x-1.x
    Issue #3120888 by Nikolay Borisov: Add this drupalci.yml file to...
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Status: Active » Fixed
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Issue summary: View changes

Status: Fixed » Closed (fixed)

Automatically closed - issue fixed for 2 weeks with no activity.