Add test for PHP v8.1

.gitlab-ci.yml

@@ -18,7 +18,6 @@ before_script:
   - php composer.phar install
 
 # Run our tests
-# If Xdebug was installed you can generate a coverage report and see code coverage metrics.
 test:7.4:
   only:
     - 1.x
@@ -35,3 +34,11 @@ test:8.0:
   image: php:8.0
   script:
     - vendor/bin/phpunit --configuration phpunit.xml --coverage-text --colors=never
+test:8.1
+  only:
+    - 1.x
+  tags:
+    - default
+  image: php:8.1
+  script:
+    - vendor/bin/phpunit --configuration phpunit.xml --coverage-text --colors=never