WIP: add tests

.github/workflows/tests.yml

@@ -0,0 +1,52 @@
+name: tests
+
+on:
+  push:
+    branches:
+      - master
+
+  pull_request:
+
+jobs:
+  tests:
+    runs-on: ${{ matrix.os }}
+
+    strategy:
+      fail-fast: true
+      matrix:
+        os: [ ubuntu-22.04 ]
+        php: [ 8.2, 8.3 ]
+
+    name: PHP ${{ matrix.php }} - ${{ matrix.os }}
+
+    steps:
+      - name: Set git to use LF
+        run: |
+          git config --global core.autocrlf false
+          git config --global core.eol lf
+
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Checkout skeleton code
+        uses: actions/checkout@v4
+        with:
+          path: 'skeleton'
+          repository: 'laravel/laravel'
+
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: ${{ matrix.php }}
+          ini-values: error_reporting=E_ALL
+          tools: composer:v2
+          coverage: none
+
+      - name: Install dependencies
+        run: composer install
+
+      - name: Execute lint tests
+        run: vendor/bin/pint --test
+
+      - name: Execute tests
+        run: vendor/bin/phpunit