Update phpunit.yml

.github/workflows/phpunit.yml

@@ -1,16 +1,17 @@
 name: Tests
 
-on: [push]
+on: [ push ]
 
 jobs:
   phpunit:
     runs-on: ubuntu-latest
 
     strategy:
       matrix:
-        php: [8.1, 8.3]
-        laravel: [10, 11]
-        dependency-version: [lowest, stable]
+        php: [ 8.1, 8.3 ]
+        laravel: [ 10, 11 ]
+        testbench: [ 8, 9 ]
+        dependency-version: [ lowest, stable ]
 
     name: ${{ matrix.laravel }}.x on ${{ matrix.php }} (${{ matrix.dependency-version }} deps)
 
@@ -27,7 +28,7 @@ jobs:
 
       - name: Install dependencies
         run: composer update --prefer-${{ matrix.dependency-version }} --no-ansi --no-interaction --no-scripts --no-suggest --no-progress --prefer-dist
-        
+
       - name: Set Laravel version
         run: "composer require laravel/framework:^${{ matrix.laravel }}.0 orchestra/testbench:^${{ matrix.testbench }}.0 --update-with-all-dependencies --prefer-${{ matrix.dependency-version }} --no-ansi --no-interaction --no-scripts --no-suggest --no-progress --prefer-dist"