fix unit-tests

.github/workflows/phpunit.yml

@@ -16,9 +16,14 @@ jobs:
     strategy:
       matrix:
         php-versions: ['5.6', '7.0', '7.2', '7.3', '7.4', '8.0', '8.1', '8.2']
+        include:
+          - wp-version: latest
+          - wp-version: '6.2'
+            php-versions: '5.6'
     steps:
       - name: Checkout
         uses: actions/checkout@v2
+
       - name: Setup PHP
         uses: shivammathur/setup-php@v2
         with:
@@ -26,10 +31,14 @@ jobs:
           coverage: none
           tools: composer, phpunit-polyfills
           extensions: mysql
+
       - name: Install Composer dependencies for PHP
         uses: "ramsey/composer-install@v1"
+
       - name: Setup Test Environment
-        run: bash bin/install-wp-tests.sh wordpress_test root root 127.0.0.1 latest
+        if: ${{ matrix.php-versions > '5.6' }}
+        run: bash bin/install-wp-tests.sh wordpress_test root root 127.0.0.1 ${{ matrix.wp-version }}
+
       - name: Unit Testing
         run: ./vendor/bin/phpunit
         env: