firefly-iii/tests/TestCase.php

<?php

use League\FactoryMuffin\Facade as FactoryMuffin;

/**
 * Class TestCase
 */
class TestCase extends Illuminate\Foundation\Testing\TestCase
{

    /**
     * Creates the application.
     *
     * @return \Illuminate\Foundation\Application
     */
    public function createApplication()
    {
        $app = require __DIR__ . '/../bootstrap/app.php';

        $app->make('Illuminate\Contracts\Console\Kernel')->bootstrap();

        return $app;
    }

    /**
     * Sets up the fixture, for example, opens a network connection.
     * This method is called before a test is executed.
     */
    public function setUp()
    {
        parent::setUp();

        // if the database copy does not exist, call migrate.

        // if the database copy does not exist, create it and copy back as original.
        Artisan::call('migrate');
        FactoryMuffin::loadFactories(__DIR__ . '/factories');

    }

    /**
     * This method is called before the first test of this test class is run.
     *
     * @since Method available since Release 3.4.0
     */
    public static function setUpBeforeClass()
    {
        parent::setUpBeforeClass();
    }

    /**
     * Tears down the fixture, for example, closes a network connection.
     * This method is called after a test is executed.
     */
    public function tearDown()
    {
        parent::tearDown();

        // delete copy and original.
    }

    /**
     * @param string $class
     *
     * @return Mockery\MockInterface
     */
    public function mock($class)
    {
        $mock = Mockery::mock($class);

        $this->app->instance($class, $mock);

        return $mock;
    }


}