Update phpunit to 6.4

tests/ConfigTest.php

@@ -6,11 +6,12 @@
 namespace Alltube\Test;
 
 use Alltube\Config;
+use PHPUnit\Framework\TestCase;
 
 /**
  * Unit tests for the Config class.
  */
-class ConfigTest extends \PHPUnit_Framework_TestCase
+class ConfigTest extends TestCase
 {
     /**
      * Config class instance.

tests/FrontControllerTest.php

@@ -9,6 +9,7 @@ use Alltube\Config;
 use Alltube\Controller\FrontController;
 use Alltube\LocaleManager;
 use Alltube\ViewFactory;
+use PHPUnit\Framework\TestCase;
 use Slim\Container;
 use Slim\Http\Environment;
 use Slim\Http\Request;
@@ -17,7 +18,7 @@ use Slim\Http\Response;
 /**
  * Unit tests for the FrontController class.
  */
-class FrontControllerTest extends \PHPUnit_Framework_TestCase
+class FrontControllerTest extends TestCase
 {
     /**
      * Slim dependency container.

tests/LocaleManagerTest.php

@@ -7,11 +7,12 @@ namespace Alltube\Test;
 
 use Alltube\Locale;
 use Alltube\LocaleManager;
+use PHPUnit\Framework\TestCase;
 
 /**
  * Unit tests for the Config class.
  */
-class LocaleManagerTest extends \PHPUnit_Framework_TestCase
+class LocaleManagerTest extends TestCase
 {
     /**
      * LocaleManager class instance.

tests/LocaleMiddlewareTest.php

@@ -7,6 +7,7 @@ namespace Alltube\Test;
 
 use Alltube\LocaleManager;
 use Alltube\LocaleMiddleware;
+use PHPUnit\Framework\TestCase;
 use Slim\Container;
 use Slim\Http\Environment;
 use Slim\Http\Request;
@@ -15,7 +16,7 @@ use Slim\Http\Response;
 /**
  * Unit tests for the FrontController class.
  */
-class LocaleMiddlewareTest extends \PHPUnit_Framework_TestCase
+class LocaleMiddlewareTest extends TestCase
 {
     /**
      * LocaleMiddleware instance.

tests/LocaleTest.php

@@ -6,11 +6,12 @@
 namespace Alltube\Test;
 
 use Alltube\Locale;
+use PHPUnit\Framework\TestCase;
 
 /**
  * Unit tests for the Config class.
  */
-class LocaleTest extends \PHPUnit_Framework_TestCase
+class LocaleTest extends TestCase
 {
     /**
      * Locale class instance.

tests/PlaylistArchiveStreamTest.php

@@ -6,11 +6,12 @@
 namespace Alltube\Test;
 
 use Alltube\PlaylistArchiveStream;
+use PHPUnit\Framework\TestCase;
 
 /**
  * Unit tests for the ViewFactory class.
  */
-class PlaylistArchiveStreamTest extends \PHPUnit_Framework_TestCase
+class PlaylistArchiveStreamTest extends TestCase
 {
     /**
      * PlaylistArchiveStream instance.

tests/UglyRouterTest.php

@@ -6,13 +6,14 @@
 namespace Alltube\Test;
 
 use Alltube\UglyRouter;
+use PHPUnit\Framework\TestCase;
 use Slim\Http\Environment;
 use Slim\Http\Request;
 
 /**
  * Unit tests for the UglyRouter class.
  */
-class UglyRouterTest extends \PHPUnit_Framework_TestCase
+class UglyRouterTest extends TestCase
 {
     /**
      * UglyRouter instance.

tests/VideoDownloadTest.php

@@ -7,11 +7,12 @@ namespace Alltube\Test;
 
 use Alltube\Config;
 use Alltube\VideoDownload;
+use PHPUnit\Framework\TestCase;
 
 /**
  * Unit tests for the VideoDownload class.
  */
-class VideoDownloadTest extends \PHPUnit_Framework_TestCase
+class VideoDownloadTest extends TestCase
 {
     /**
      * VideoDownload instance.

tests/ViewFactoryTest.php

@@ -6,6 +6,7 @@
 namespace Alltube\Test;
 
 use Alltube\ViewFactory;
+use PHPUnit\Framework\TestCase;
 use Slim\Container;
 use Slim\Http\Environment;
 use Slim\Http\Request;
@@ -14,7 +15,7 @@ use Slim\Views\Smarty;
 /**
  * Unit tests for the ViewFactory class.
  */
-class ViewFactoryTest extends \PHPUnit_Framework_TestCase
+class ViewFactoryTest extends TestCase
 {
     /**
      * Test the create() function.