Updated tests

.github/workflows/tests.yml

@@ -8,15 +8,15 @@ jobs:
         php: [8.1, 8.0, 7.4, 7.3, 7.2, 7.1, 7.0, 5.6]
     runs-on: ubuntu-18.04
     steps:
-      - name: Checkout
+      - name: Check out code
         uses: actions/checkout@v2
-      - name: Setup PHP
+      - name: Set up PHP
         uses: shivammathur/setup-php@v2
         with:
           php-version: ${{ matrix.php }}
           extensions: curl, gd, mbstring, zip
           coverage: none
-      - name: Setup problem matcher
+      - name: Set up problem matcher
         run: echo "::add-matcher::${{ runner.tool_cache }}/php.json"
       - name: Run tests
         run: php yellow.php build tests