Add specific configurations for html5lib tests.

Author: costdev

.github/workflows/phpunit-tests.yml

@@ -92,6 +92,56 @@ jobs:
             multisite: false
             memcached: false
             report: true
+          # Include html5lib tests.
+          - os: ubuntu-latest
+            php: '7.2'
+            db-type: 'mysql'
+            db-version: '5.7'
+            tests-domain: 'example.org'
+            multisite: false
+            html5lib-tests: true
+          - os: ubuntu-latest
+            php: '7.3'
+            db-type: 'mysql'
+            db-version: '5.7'
+            tests-domain: 'example.org'
+            multisite: false
+            html5lib-tests: true
+          - os: ubuntu-latest
+            php: '7.4'
+            db-type: 'mysql'
+            db-version: '5.7'
+            tests-domain: 'example.org'
+            multisite: false
+            html5lib-tests: true
+          - os: ubuntu-latest
+            php: '8.0'
+            db-type: 'mysql'
+            db-version: '5.7'
+            tests-domain: 'example.org'
+            multisite: false
+            html5lib-tests: true
+          - os: ubuntu-latest
+            php: '8.1'
+            db-type: 'mysql'
+            db-version: '5.7'
+            tests-domain: 'example.org'
+            multisite: false
+            html5lib-tests: true
+          - os: ubuntu-latest
+            php: '8.2'
+            db-type: 'mysql'
+            db-version: '5.7'
+            tests-domain: 'example.org'
+            multisite: false
+            html5lib-tests: true
+          - os: ubuntu-latest
+            php: '8.3'
+            db-type: 'mysql'
+            db-version: '5.7'
+            tests-domain: 'example.org'
+            multisite: false
+            html5lib-tests: true
     with:
       os: ${{ matrix.os }}
       php: ${{ matrix.php }}