Rely on default values for inputs when possible.

Author: desrosj

.github/workflows/phpunit-tests.yml

@@ -167,24 +167,12 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ ubuntu-latest ]
         php: [ '8.4' ]
-        db-type: [ 'mysql' ]
-        db-version: [ '8.4' ]
-        multisite: [ false ]
-        memcached: [ false ]
         phpunit-test-groups: [ 'html-api-html5lib-tests' ]
 
     with:
-      os: ${{ matrix.os }}
       php: ${{ matrix.php }}
-      db-type: ${{ matrix.db-type }}
-      db-version: ${{ matrix.db-version }}
-      multisite: ${{ matrix.multisite }}
-      memcached: ${{ matrix.memcached }}
-      phpunit-config: ${{ matrix.multisite && 'tests/phpunit/multisite.xml' || 'phpunit.xml.dist' }}
       phpunit-test-groups: ${{ matrix.phpunit-test-groups }}
-      report: ${{ matrix.report || false }}
 
   slack-notifications:
     name: Slack Notifications