updated tests

Author: oscarotero

.github/workflows/CI.yml renamed to .github/workflows/test.yml

@@ -17,10 +17,8 @@ jobs:
           - 7.2
           - 7.3
           - 7.4
-        composer-args: [ "" ]
-        include:
-          - php: 8.0
-            composer-args: --ignore-platform-reqs
+          - 8.0
+          - 8.1
       fail-fast: false
 
     steps:
@@ -40,7 +38,7 @@ jobs:
           restore-keys: ${{ runner.os }}-php-${{ matrix.php }}-composer-
 
       - name: Install dependencies
-        run: composer install --prefer-dist --no-progress --no-suggest ${{ matrix.composer-args }}
+        run: composer install --prefer-dist --no-progress --no-suggest
 
       - name: Tests
         run: composer test