fix tests

Author: sonrac

.github/workflows/ci.yml

@@ -18,7 +18,7 @@ jobs:
             -   name: Set up PHP
                 uses: shivammathur/setup-php@v2
                 with:
-                    php-version: '8.1'
+                    php-version: '7.2'
                     coverage: 'none'
 
             -   name: Checkout code