[8.x] Add missing class imports in /tests

tests/Bus/BusBatchTest.php

@@ -20,6 +20,7 @@
 use Mockery as m;
 use PHPUnit\Framework\TestCase;
 use RuntimeException;
+use stdClass;
 
 class BusBatchTest extends TestCase
 {

tests/Database/DatabaseMigrationMigrateCommandTest.php

@@ -9,6 +9,7 @@
 use Illuminate\Foundation\Application;
 use Mockery as m;
 use PHPUnit\Framework\TestCase;
+use stdClass;
 use Symfony\Component\Console\Input\ArrayInput;
 use Symfony\Component\Console\Output\NullOutput;
 

tests/Integration/Events/ListenerTest.php

@@ -2,6 +2,7 @@
 
 namespace Illuminate\Tests\Integration\Events;
 
+use Illuminate\Database\DatabaseTransactionsManager;
 use Illuminate\Support\Facades\Event;
 use Mockery as m;
 use Orchestra\Testbench\TestCase;

tests/Integration/Http/ResourceTest.php

@@ -4,6 +4,7 @@
 
 use Illuminate\Foundation\Http\Middleware\ValidatePostSize;
 use Illuminate\Http\Exceptions\PostTooLargeException;
+use Illuminate\Http\Request;
 use Illuminate\Http\Resources\ConditionallyLoadsAttributes;
 use Illuminate\Http\Resources\Json\JsonResource;
 use Illuminate\Http\Resources\MergeValue;

tests/Testing/Concerns/TestDatabasesTest.php

@@ -2,6 +2,7 @@
 
 namespace Illuminate\Tests\Testing\Concerns;
 
+use Illuminate\Config\Repository as Config;
 use Illuminate\Container\Container;
 use Illuminate\Support\Facades\DB;
 use Illuminate\Testing\Concerns\TestDatabases;