Update tests & add github workflow to run tests

.github/workflows/run-tests.yml

@@ -0,0 +1,41 @@
+name: run-tests
+
+on: [push, pull_request]
+
+jobs:
+    test:
+        if: github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name != github.repository
+        runs-on: ubuntu-latest
+        strategy:
+            fail-fast: false
+            matrix:
+                php: ["8.1", "8.0"]
+                laravel: ["^8.0"]
+                dependency-version: [prefer-lowest, prefer-stable]
+
+        name: P${{ matrix.php }} - L${{ matrix.laravel }} - ${{ matrix.dependency-version }}
+
+        steps:
+            - name: Checkout code
+              uses: actions/checkout@v2
+
+            - name: Cache dependencies
+              uses: actions/cache@v2
+              with:
+                  path: ~/.composer/cache/files
+                  key: dependencies-laravel-${{ matrix.laravel }}-php-${{ matrix.php }}-composer-${{ hashFiles('composer.json') }}
+
+            - name: Setup PHP
+              uses: shivammathur/setup-php@v2
+              with:
+                  php-version: ${{ matrix.php }}
+                  extensions: dom, curl, libxml, mbstring, zip, pcntl, pdo, sqlite, pdo_sqlite, mysql, mysqli, pdo_mysql, bcmath, soap, intl, gd, exif, iconv, imagick, fileinfo
+                  coverage: none
+
+            - name: Install dependencies
+              run: |
+                  composer require "laravel/framework:${{ matrix.laravel }}" --dev --no-interaction --no-update
+                  composer update --${{ matrix.dependency-version }} --prefer-dist --no-interaction --no-suggest
+
+            - name: Execute tests
+              run: vendor/bin/phpunit

database/factories/UserFactory.php

@@ -26,6 +26,7 @@ public function definition()
     {
         return [
             'name' => $this->faker->name(),
+            'username' => $this->faker->userName(),
             'email' => $this->faker->unique()->safeEmail(),
             'email_verified_at' => now(),
             'password' => '$2y$10$92IXUNpkjO0rOQ5byMi.Ye4oKoEa3Ro9llC/.og/at2.uheWG/igi', // password

tests/Feature/RegistrationTest.php

@@ -42,6 +42,7 @@ public function test_new_users_can_register()
 
         $response = $this->post('/register', [
             'name' => 'Test User',
+            'username' => 'iComposeArtLikeTheGhostOfMozart',
             'email' => '[email protected]',
             'password' => 'password',
             'password_confirmation' => 'password',