upgraded dependencies

vendor/brozot/laravel-fcm/tests/FCMTestCase.php

@@ -1,22 +0,0 @@
-<?php
-
-use Illuminate\Foundation\Testing\TestCase;
-
-abstract class FCMTestCase extends TestCase
-{
-    public function createApplication()
-    {
-        $app = require __DIR__.'/../vendor/laravel/laravel/bootstrap/app.php';
-
-        $app->make(Illuminate\Contracts\Console\Kernel::class)->bootstrap();
-        $app->register(LaravelFCM\FCMServiceProvider::class);
-
-        $app['config']['fcm.driver'] = 'http';
-        $app['config']['fcm.http.timeout'] = 20;
-        $app['config']['fcm.http.server_send_url'] = 'http://test.test';
-        $app['config']['fcm.http.server_key'] = 'key=myKey';
-        $app['config']['fcm.http.sender_id'] = 'SENDER_ID';
-
-        return $app;
-    }
-}