diff --git a/app/Console/Commands/Maintenance/CleanServiceBackupFilesCommand.php b/app/Console/Commands/Maintenance/CleanServiceBackupFilesCommand.php
index 4811a222e..1b5ded4d6 100644
--- a/app/Console/Commands/Maintenance/CleanServiceBackupFilesCommand.php
+++ b/app/Console/Commands/Maintenance/CleanServiceBackupFilesCommand.php
@@ -2,9 +2,9 @@
 
 namespace Pterodactyl\Console\Commands\Maintenance;
 
+use SplFileInfo;
 use Carbon\Carbon;
 use Illuminate\Console\Command;
-use Symfony\Component\Finder\SplFileInfo;
 use Illuminate\Contracts\Filesystem\Factory as FilesystemFactory;
 
 class CleanServiceBackupFilesCommand extends Command
diff --git a/app/Http/Controllers/Base/SecurityController.php b/app/Http/Controllers/Base/SecurityController.php
index 62f07738c..8a7babecb 100644
--- a/app/Http/Controllers/Base/SecurityController.php
+++ b/app/Http/Controllers/Base/SecurityController.php
@@ -1,27 +1,4 @@
 <?php
-/**
- * Pterodactyl - Panel
- * Copyright (c) 2015 - 2017 Dane Everitt <dane@daneeveritt.com>
- * Some Modifications (c) 2015 Dylan Seidt <dylan.seidt@gmail.com>.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
 
 namespace Pterodactyl\Http\Controllers\Base;
 
diff --git a/composer.json b/composer.json
index 414ea2238..091416ef3 100644
--- a/composer.json
+++ b/composer.json
@@ -48,7 +48,7 @@
         "fzaninotto/faker": "^1.6",
         "mockery/mockery": "^1.0",
         "php-mock/php-mock-phpunit": "^2.0",
-        "phpunit/phpunit": "^6.5"
+        "phpunit/phpunit": "~6.4.0"
     },
     "autoload": {
         "classmap": [
diff --git a/composer.lock b/composer.lock
index 9faac0ced..40dbb34d0 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
         "This file is @generated automatically"
     ],
-    "content-hash": "adc287e0991b3755ac9384a9eb9e58e0",
+    "content-hash": "5cdbf1cd4e3e64e939ca2201704d0141",
     "packages": [
         {
             "name": "appstract/laravel-blade-directives",
@@ -5061,22 +5061,22 @@
         },
         {
             "name": "php-mock/php-mock-phpunit",
-            "version": "2.0.0",
+            "version": "2.0.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/php-mock/php-mock-phpunit.git",
-                "reference": "173781abdc632c59200253e12e2b991ae6a4574f"
+                "reference": "b42fc41ecb7538564067527f6c30b8854f149d32"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/php-mock/php-mock-phpunit/zipball/173781abdc632c59200253e12e2b991ae6a4574f",
-                "reference": "173781abdc632c59200253e12e2b991ae6a4574f",
+                "url": "https://api.github.com/repos/php-mock/php-mock-phpunit/zipball/b42fc41ecb7538564067527f6c30b8854f149d32",
+                "reference": "b42fc41ecb7538564067527f6c30b8854f149d32",
                 "shasum": ""
             },
             "require": {
                 "php": ">=7",
                 "php-mock/php-mock-integration": "^2",
-                "phpunit/phpunit": "^6"
+                "phpunit/phpunit": "^6 <6.5"
             },
             "type": "library",
             "autoload": {
@@ -5108,7 +5108,7 @@
                 "test",
                 "test double"
             ],
-            "time": "2017-02-17T22:44:38+00:00"
+            "time": "2017-12-02T09:49:02+00:00"
         },
         {
             "name": "phpdocumentor/reflection-common",
@@ -5576,16 +5576,16 @@
         },
         {
             "name": "phpunit/phpunit",
-            "version": "6.5.4",
+            "version": "6.4.4",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/phpunit.git",
-                "reference": "1b2f933d5775f9237369deaa2d2bfbf9d652be4c"
+                "reference": "562f7dc75d46510a4ed5d16189ae57fbe45a9932"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/1b2f933d5775f9237369deaa2d2bfbf9d652be4c",
-                "reference": "1b2f933d5775f9237369deaa2d2bfbf9d652be4c",
+                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/562f7dc75d46510a4ed5d16189ae57fbe45a9932",
+                "reference": "562f7dc75d46510a4ed5d16189ae57fbe45a9932",
                 "shasum": ""
             },
             "require": {
@@ -5599,12 +5599,12 @@
                 "phar-io/version": "^1.0",
                 "php": "^7.0",
                 "phpspec/prophecy": "^1.7",
-                "phpunit/php-code-coverage": "^5.3",
-                "phpunit/php-file-iterator": "^1.4.3",
+                "phpunit/php-code-coverage": "^5.2.2",
+                "phpunit/php-file-iterator": "^1.4.2",
                 "phpunit/php-text-template": "^1.2.1",
                 "phpunit/php-timer": "^1.0.9",
-                "phpunit/phpunit-mock-objects": "^5.0.5",
-                "sebastian/comparator": "^2.1",
+                "phpunit/phpunit-mock-objects": "^4.0.3",
+                "sebastian/comparator": "^2.0.2",
                 "sebastian/diff": "^2.0",
                 "sebastian/environment": "^3.1",
                 "sebastian/exporter": "^3.1",
@@ -5630,7 +5630,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "6.5.x-dev"
+                    "dev-master": "6.4.x-dev"
                 }
             },
             "autoload": {
@@ -5656,33 +5656,33 @@
                 "testing",
                 "xunit"
             ],
-            "time": "2017-12-10T08:06:19+00:00"
+            "time": "2017-11-08T11:26:09+00:00"
         },
         {
             "name": "phpunit/phpunit-mock-objects",
-            "version": "5.0.5",
+            "version": "4.0.4",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/phpunit-mock-objects.git",
-                "reference": "283b9f4f670e3a6fd6c4ff95c51a952eb5c75933"
+                "reference": "2f789b59ab89669015ad984afa350c4ec577ade0"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/phpunit-mock-objects/zipball/283b9f4f670e3a6fd6c4ff95c51a952eb5c75933",
-                "reference": "283b9f4f670e3a6fd6c4ff95c51a952eb5c75933",
+                "url": "https://api.github.com/repos/sebastianbergmann/phpunit-mock-objects/zipball/2f789b59ab89669015ad984afa350c4ec577ade0",
+                "reference": "2f789b59ab89669015ad984afa350c4ec577ade0",
                 "shasum": ""
             },
             "require": {
                 "doctrine/instantiator": "^1.0.5",
                 "php": "^7.0",
                 "phpunit/php-text-template": "^1.2.1",
-                "sebastian/exporter": "^3.1"
+                "sebastian/exporter": "^3.0"
             },
             "conflict": {
                 "phpunit/phpunit": "<6.0"
             },
             "require-dev": {
-                "phpunit/phpunit": "^6.5"
+                "phpunit/phpunit": "^6.0"
             },
             "suggest": {
                 "ext-soap": "*"
@@ -5690,7 +5690,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "5.0.x-dev"
+                    "dev-master": "4.0.x-dev"
                 }
             },
             "autoload": {
@@ -5705,7 +5705,7 @@
             "authors": [
                 {
                     "name": "Sebastian Bergmann",
-                    "email": "sebastian@phpunit.de",
+                    "email": "sb@sebastian-bergmann.de",
                     "role": "lead"
                 }
             ],
@@ -5715,7 +5715,7 @@
                 "mock",
                 "xunit"
             ],
-            "time": "2017-12-10T08:01:53+00:00"
+            "time": "2017-08-03T14:08:16+00:00"
         },
         {
             "name": "sebastian/code-unit-reverse-lookup",
diff --git a/tests/Unit/Commands/Maintenance/CleanServiceBackupFilesCommandTest.php b/tests/Unit/Commands/Maintenance/CleanServiceBackupFilesCommandTest.php
index 051e90748..bd13a2c9a 100644
--- a/tests/Unit/Commands/Maintenance/CleanServiceBackupFilesCommandTest.php
+++ b/tests/Unit/Commands/Maintenance/CleanServiceBackupFilesCommandTest.php
@@ -48,7 +48,7 @@ class CleanServiceBackupFilesCommandTest extends CommandTestCase
         $file = new SplFileInfo('testfile.txt');
 
         $this->disk->shouldReceive('files')->with('services/.bak')->once()->andReturn([$file]);
-        $this->disk->shouldReceive('lastModified')->with($file->getPath())->once()->andReturn(Carbon::now()->subDays(100));
+        $this->disk->shouldReceive('lastModified')->with($file->getPath())->once()->andReturn(Carbon::now()->subDays(100)->getTimestamp());
         $this->disk->shouldReceive('delete')->with($file->getPath())->once()->andReturnNull();
 
         $display = $this->runCommand($this->getCommand());
@@ -65,7 +65,7 @@ class CleanServiceBackupFilesCommandTest extends CommandTestCase
         $file = new SplFileInfo('testfile.txt');
 
         $this->disk->shouldReceive('files')->with('services/.bak')->once()->andReturn([$file]);
-        $this->disk->shouldReceive('lastModified')->with($file->getPath())->once()->andReturn(Carbon::now());
+        $this->disk->shouldReceive('lastModified')->with($file->getPath())->once()->andReturn(Carbon::now()->getTimestamp());
 
         $display = $this->runCommand($this->getCommand());
 
diff --git a/tests/Unit/Http/Controllers/Base/AccountControllerTest.php b/tests/Unit/Http/Controllers/Base/AccountControllerTest.php
index e2fbb0774..968019ad7 100644
--- a/tests/Unit/Http/Controllers/Base/AccountControllerTest.php
+++ b/tests/Unit/Http/Controllers/Base/AccountControllerTest.php
@@ -50,13 +50,13 @@ class AccountControllerTest extends ControllerTestCase
     public function testUpdateControllerForPassword()
     {
         $this->setRequestMockClass(AccountDataFormRequest::class);
-        $user = $this->setRequestUser();
+        $user = $this->generateRequestUserModel();
 
         $this->request->shouldReceive('input')->with('do_action')->andReturn('password');
         $this->request->shouldReceive('input')->with('new_password')->once()->andReturn('test-password');
 
         $this->updateService->shouldReceive('setUserLevel')->with(User::USER_LEVEL_USER)->once()->andReturnNull();
-        $this->updateService->shouldReceive('handle')->with($user, ['password' => 'test-password'])->once()->andReturnNull();
+        $this->updateService->shouldReceive('handle')->with($user, ['password' => 'test-password'])->once()->andReturn(collect());
         $this->alert->shouldReceive('success->flash')->once()->andReturnNull();
 
         $response = $this->getController()->update($this->request);
@@ -70,13 +70,13 @@ class AccountControllerTest extends ControllerTestCase
     public function testUpdateControllerForEmail()
     {
         $this->setRequestMockClass(AccountDataFormRequest::class);
-        $user = $this->setRequestUser();
+        $user = $this->generateRequestUserModel();
 
         $this->request->shouldReceive('input')->with('do_action')->andReturn('email');
         $this->request->shouldReceive('input')->with('new_email')->once()->andReturn('test@example.com');
 
         $this->updateService->shouldReceive('setUserLevel')->with(User::USER_LEVEL_USER)->once()->andReturnNull();
-        $this->updateService->shouldReceive('handle')->with($user, ['email' => 'test@example.com'])->once()->andReturnNull();
+        $this->updateService->shouldReceive('handle')->with($user, ['email' => 'test@example.com'])->once()->andReturn(collect());
         $this->alert->shouldReceive('success->flash')->once()->andReturnNull();
 
         $response = $this->getController()->update($this->request);
@@ -90,7 +90,7 @@ class AccountControllerTest extends ControllerTestCase
     public function testUpdateControllerForIdentity()
     {
         $this->setRequestMockClass(AccountDataFormRequest::class);
-        $user = $this->setRequestUser();
+        $user = $this->generateRequestUserModel();
 
         $this->request->shouldReceive('input')->with('do_action')->andReturn('identity');
         $this->request->shouldReceive('only')->with(['name_first', 'name_last', 'username'])->once()->andReturn([
@@ -98,7 +98,7 @@ class AccountControllerTest extends ControllerTestCase
         ]);
 
         $this->updateService->shouldReceive('setUserLevel')->with(User::USER_LEVEL_USER)->once()->andReturnNull();
-        $this->updateService->shouldReceive('handle')->with($user, ['test_data' => 'value'])->once()->andReturnNull();
+        $this->updateService->shouldReceive('handle')->with($user, ['test_data' => 'value'])->once()->andReturn(collect());
         $this->alert->shouldReceive('success->flash')->once()->andReturnNull();
 
         $response = $this->getController()->update($this->request);
diff --git a/tests/Unit/Http/Controllers/Base/SecurityControllerTest.php b/tests/Unit/Http/Controllers/Base/SecurityControllerTest.php
index 3c821729e..7c698a597 100644
--- a/tests/Unit/Http/Controllers/Base/SecurityControllerTest.php
+++ b/tests/Unit/Http/Controllers/Base/SecurityControllerTest.php
@@ -58,7 +58,7 @@ class SecurityControllerTest extends ControllerTestCase
      */
     public function testIndexControllerWithDatabaseDriver()
     {
-        $model = $this->setRequestUser();
+        $model = $this->generateRequestUserModel();
 
         $this->config->shouldReceive('get')->with('session.driver')->once()->andReturn('database');
         $this->repository->shouldReceive('getUserSessions')->with($model->id)->once()->andReturn(['sessions']);
@@ -89,7 +89,7 @@ class SecurityControllerTest extends ControllerTestCase
      */
     public function testGenerateTotpController()
     {
-        $model = $this->setRequestUser();
+        $model = $this->generateRequestUserModel();
 
         $this->twoFactorSetupService->shouldReceive('handle')->with($model)->once()->andReturn('qrCodeImage');
 
@@ -103,10 +103,10 @@ class SecurityControllerTest extends ControllerTestCase
      */
     public function testDisableTotpControllerSuccess()
     {
-        $model = $this->setRequestUser();
+        $model = $this->generateRequestUserModel();
 
         $this->request->shouldReceive('input')->with('token')->once()->andReturn('testToken');
-        $this->toggleTwoFactorService->shouldReceive('handle')->with($model, 'testToken', false)->once()->andReturnNull();
+        $this->toggleTwoFactorService->shouldReceive('handle')->with($model, 'testToken', false)->once()->andReturn(true);
 
         $response = $this->getController()->disableTotp($this->request);
         $this->assertIsRedirectResponse($response);
@@ -118,7 +118,7 @@ class SecurityControllerTest extends ControllerTestCase
      */
     public function testDisableTotpControllerWhenExceptionIsThrown()
     {
-        $model = $this->setRequestUser();
+        $model = $this->generateRequestUserModel();
 
         $this->request->shouldReceive('input')->with('token')->once()->andReturn('testToken');
         $this->toggleTwoFactorService->shouldReceive('handle')->with($model, 'testToken', false)->once()->andThrow(new TwoFactorAuthenticationTokenInvalid);
@@ -135,7 +135,7 @@ class SecurityControllerTest extends ControllerTestCase
      */
     public function testRevokeController()
     {
-        $model = $this->setRequestUser();
+        $model = $this->generateRequestUserModel();
 
         $this->repository->shouldReceive('deleteUserSession')->with($model->id, 123)->once()->andReturnNull();
 
diff --git a/tests/Unit/Services/Servers/ServerCreationServiceTest.php b/tests/Unit/Services/Servers/ServerCreationServiceTest.php
index c430cc22b..4df486d5c 100644
--- a/tests/Unit/Services/Servers/ServerCreationServiceTest.php
+++ b/tests/Unit/Services/Servers/ServerCreationServiceTest.php
@@ -133,7 +133,7 @@ class ServerCreationServiceTest extends TestCase
         $this->configurationStructureService->shouldReceive('handle')->with($model)->once()->andReturn(['test' => 'struct']);
 
         $this->daemonServerRepository->shouldReceive('setNode')->with($model->node_id)->once()->andReturnSelf();
-        $this->daemonServerRepository->shouldReceive('create')->with(['test' => 'struct'], ['start_on_completion' => false])->once()->andReturnNull();
+        $this->daemonServerRepository->shouldReceive('create')->with(['test' => 'struct'], ['start_on_completion' => false])->once();
         $this->connection->shouldReceive('commit')->withNoArgs()->once()->andReturnNull();
 
         $response = $this->getService()->create($model->toArray());