// tests/SlotsControllerTest.php class SlotsControllerTest extends TestCase { use DatabaseMigrations; ... } // tests/TestCase.php public function createApplication() { $app = require __DIR__ . '/../bootstrap/app.php'; putenv('DB_DEFAULT=testing'); putenv('DB_DATABASE=testing'); putenv('DB_CONNECTION=testing'); $app->make(Illuminate\Contracts\Console\Kernel::class)->bootstrap(); return $app; } public function setUp() { parent::setUp(); Artisan::call('migrate'); } public function tearDown() { Artisan::call('migrate:reset'); parent::tearDown(); if (class_exists('Mockery')) { m::close(); } } // phpunit.xml <php> <env name="APP_ENV" value="testing"/> <env name="DB_CONNECTION" value="testing"/> <env name="DB_DATABASE" value="testing"/> <env name="DB_DEFAULT" value="testing"/> <env name="CACHE_DRIVER" value="array"/> <env name="SESSION_DRIVER" value="array"/> <env name="QUEUE_DRIVER" value="sync"/> <env name="MAIL_DRIVER" value="log"/> </php> //config/database.php 'connections' => [ 'testing' => [ 'driver' => 'mysql', 'host' => env('DB_HOST', 'localhost'), 'port' => env('DB_PORT', '3306'), 'database' => 'testing', 'username' => 'testing', 'password' => 'testing', 'charset' => 'utf8', 'collation' => 'utf8_unicode_ci', 'prefix' => '', 'strict' => false, 'engine' => null, ], ], // .env APP_ENV=local APP_DEBUG=true APP_LOG_LEVEL=debug DB_HOST=127.0.0.1 DB_DATABASE=main DB_USERNAME=homestead DB_PASSWORD=secret