Test suite: Scenario "Use Unlock VeraCrypt Volumes to unlock a basic VeraCrypt file container with a PIM" is flaky

Waiting for the unlock dialog to close in try_for(10) { !gnome_shell_unlock_dialog? } in features/step_definitions/veracrypt.rb times out:

try_for() timeout expired (Timeout::Error)
./features/support/helpers/misc_helpers.rb:145:in `rescue in try_for'
./features/support/helpers/misc_helpers.rb:51:in `try_for'
./features/step_definitions/veracrypt.rb:206:in `/^I unlock and mount this VeraCrypt (volume|file container) with Unlock VeraCrypt Volumes$/'
features/veracrypt.feature:32:in `And I unlock and mount this VeraCrypt file container with Unlock VeraCrypt Volumes'

Failed test runs:

• https://jenkins.tails.boum.org/job/test_Tails_ISO_stable/4723/cucumber-html-reports/report-feature_40_3251716293.html