Build/Test Tools: Configure PHPUnit to fail on risky tests.

There should be no need for a risky test to go unseen. It usually signifies a problem in the associated test that needs to be addressed.

See #63167, #63932


git-svn-id: https://develop.svn.wordpress.org/trunk@60737 602fd350-edb4-49c9-b593-d223f7449a82

Author: johnbillion

.github/workflows/phpunit-tests.yml

@@ -30,8 +30,10 @@ on:
       - 'Gruntfile.js'
       # These files configure Composer. Changes could affect the outcome.
       - 'composer.*'
-      # This files affect the phpunit tests. Changes could affect the outcome.
+      # These files affect the phpunit tests. Changes could affect the outcome.
       - 'tests/phpunit/**'
+      - 'tests/phpunit/multisite.xml'
+      - 'phpunit.xml.dist'
       # Confirm any changes to relevant workflow files.
       - '.github/workflows/phpunit-tests.yml'
       - '.github/workflows/reusable-phpunit-tests-*.yml'

phpunit.xml.dist

@@ -6,6 +6,7 @@
 		colors="true"
 		beStrictAboutTestsThatDoNotTestAnything="true"
 		beStrictAboutOutputDuringTests="true"
+		failOnRisky="true"
 		convertErrorsToExceptions="true"
 		convertWarningsToExceptions="true"
 		convertNoticesToExceptions="true"

tests/phpunit/multisite.xml

@@ -6,6 +6,7 @@
 		colors="true"
 		beStrictAboutTestsThatDoNotTestAnything="true"
 		beStrictAboutOutputDuringTests="true"
+		failOnRisky="true"
 		convertErrorsToExceptions="true"
 		convertWarningsToExceptions="true"
 		convertNoticesToExceptions="true"