diff --git a/composer.json b/composer.json
index 3eff12d82..033fa82d8 100644
--- a/composer.json
+++ b/composer.json
@@ -70,7 +70,7 @@
         "wikimedia/less.php": "^3.0"
     },
     "require-dev": {
-        "flarum/testing": "^0.1.0-beta.16"
+        "flarum/testing": "dev-main#81e25f034e2b6dceaea753ad7579b5c61d641993"
     },
     "autoload": {
         "psr-4": {
diff --git a/tests/integration/api/csrf_protection/RequireCsrfTokenTest.php b/tests/integration/api/csrf_protection/RequireCsrfTokenTest.php
index 2b769f27e..d0a1180eb 100644
--- a/tests/integration/api/csrf_protection/RequireCsrfTokenTest.php
+++ b/tests/integration/api/csrf_protection/RequireCsrfTokenTest.php
@@ -26,11 +26,10 @@ class RequireCsrfTokenTest extends TestCase
         $this->prepareDatabase([
             'api_keys' => [
                 ['user_id' => 1, 'key' => 'superadmin'],
-            ],
-            'settings' => [
-                ['key' => 'csrf_test', 'value' => 1],
-            ],
+            ]
         ]);
+
+        $this->setting('csrf_test', 1);
     }
 
     /**
diff --git a/tests/integration/api/users/CreateTest.php b/tests/integration/api/users/CreateTest.php
index af8d6c727..ba9b7239b 100644
--- a/tests/integration/api/users/CreateTest.php
+++ b/tests/integration/api/users/CreateTest.php
@@ -25,11 +25,7 @@ class CreateTest extends TestCase
     {
         parent::setUp();
 
-        $this->prepareDatabase([
-            'settings' => [
-                ['key' => 'mail_driver', 'value' => 'log'],
-            ],
-        ]);
+        $this->setting('mail_driver', 'log');
     }
 
     /**
diff --git a/tests/integration/extenders/FilesystemTest.php b/tests/integration/extenders/FilesystemTest.php
index 78482a26c..3edcaf4bf 100644
--- a/tests/integration/extenders/FilesystemTest.php
+++ b/tests/integration/extenders/FilesystemTest.php
@@ -83,7 +83,7 @@ class FilesystemTest extends TestCase
      */
     public function disk_uses_local_adapter_if_configured_adapter_from_config_file_unavailable()
     {
-        $this->overrideConfigWithDiskDriver();
+        $this->config('disk_driver.flarum-assets', 'null');
 
         $assetsDisk = $this->app()->getContainer()->make('filesystem')->disk('flarum-assets');
 
@@ -115,25 +115,12 @@ class FilesystemTest extends TestCase
             (new Extend\Filesystem)->driver('null', NullFilesystemDriver::class)
         );
 
-        $this->overrideConfigWithDiskDriver();
+        $this->config('disk_driver.flarum-assets', 'null');
 
         $assetsDisk = $this->app()->getContainer()->make('filesystem')->disk('flarum-assets');
 
         $this->assertEquals(get_class($assetsDisk->getDriver()->getAdapter()), NullAdapter::class);
     }
-
-    protected function overrideConfigWithDiskDriver()
-    {
-        $tmp = $this->tmpDir();
-        $configArr = include "$tmp/config.php";
-        $configArr = array_merge($configArr, ['disk_driver' => [
-            'flarum-assets' => 'null'
-        ]]);
-
-        $config = new Config($configArr);
-
-        $this->app()->getContainer()->instance('flarum.config', $config);
-    }
 }
 
 class NullFilesystemDriver implements DriverInterface
diff --git a/tests/integration/extenders/ModelUrlTest.php b/tests/integration/extenders/ModelUrlTest.php
index 87ac36f82..05e5d1a75 100644
--- a/tests/integration/extenders/ModelUrlTest.php
+++ b/tests/integration/extenders/ModelUrlTest.php
@@ -15,13 +15,11 @@ use Flarum\Http\SlugDriverInterface;
 use Flarum\Http\SlugManager;
 use Flarum\Testing\integration\RetrievesAuthorizedUsers;
 use Flarum\Testing\integration\TestCase;
-use Flarum\Testing\integration\UsesSettings;
 use Flarum\User\User;
 
 class ModelUrlTest extends TestCase
 {
     use RetrievesAuthorizedUsers;
-    use UsesSettings;
 
     /**
      * @inheritDoc
@@ -31,12 +29,12 @@ class ModelUrlTest extends TestCase
         parent::setUp();
 
         $userClass = User::class;
+
+        $this->setting("slug_driver_$userClass", 'testDriver');
+    
         $this->prepareDatabase([
             'users' => [
                 $this->normalUser(),
-            ],
-            'settings' => [
-                ['key' => "slug_driver_$userClass", 'value' => 'testDriver'],
             ]
         ]);
     }
@@ -46,8 +44,6 @@ class ModelUrlTest extends TestCase
      */
     public function uses_default_driver_by_default()
     {
-        $this->purgeSettingsCache();
-
         $slugManager = $this->app()->getContainer()->make(SlugManager::class);
 
         $testUser = User::find(1);
@@ -63,8 +59,6 @@ class ModelUrlTest extends TestCase
     {
         $this->extend((new Extend\ModelUrl(User::class))->addSlugDriver('testDriver', TestSlugDriver::class));
 
-        $this->purgeSettingsCache();
-
         $slugManager = $this->app()->getContainer()->make(SlugManager::class);
 
         $testUser = User::find(1);
diff --git a/tests/integration/extenders/SettingsTest.php b/tests/integration/extenders/SettingsTest.php
index c1953afb9..437707f9f 100644
--- a/tests/integration/extenders/SettingsTest.php
+++ b/tests/integration/extenders/SettingsTest.php
@@ -12,12 +12,10 @@ namespace Flarum\Tests\integration\extenders;
 use Flarum\Extend;
 use Flarum\Testing\integration\RetrievesAuthorizedUsers;
 use Flarum\Testing\integration\TestCase;
-use Flarum\Testing\integration\UsesSettings;
 
 class SettingsTest extends TestCase
 {
     use RetrievesAuthorizedUsers;
-    use UsesSettings;
 
     /**
      * @inheritDoc
@@ -29,12 +27,11 @@ class SettingsTest extends TestCase
         $this->prepareDatabase([
             'users' => [
                 $this->normalUser()
-            ],
-            'settings' => [
-                ['key' => 'custom-prefix.custom_setting', 'value' => 'customValue'],
-                ['key' => 'custom-prefix.custom_setting2', 'value' => 'customValue']
             ]
         ]);
+
+        $this->setting('custom-prefix.custom_setting', 'customValue');
+        $this->setting('custom-prefix.custom_setting2', 'customValue');
     }
 
     /**
@@ -42,8 +39,6 @@ class SettingsTest extends TestCase
      */
     public function custom_setting_isnt_serialized_by_default()
     {
-        $this->purgeSettingsCache();
-
         $response = $this->send(
             $this->request('GET', '/api', [
                 'authenticatedAs' => 1,
@@ -65,8 +60,6 @@ class SettingsTest extends TestCase
                 ->serializeToForum('customPrefix.customSetting', 'custom-prefix.custom_setting')
         );
 
-        $this->purgeSettingsCache();
-
         $response = $this->send(
             $this->request('GET', '/api', [
                 'authenticatedAs' => 1,
@@ -91,8 +84,6 @@ class SettingsTest extends TestCase
                 })
         );
 
-        $this->purgeSettingsCache();
-
         $response = $this->send(
             $this->request('GET', '/api', [
                 'authenticatedAs' => 1,
@@ -115,8 +106,6 @@ class SettingsTest extends TestCase
                 ->serializeToForum('customPrefix.customSetting2', 'custom-prefix.custom_setting2', CustomInvokableClass::class)
         );
 
-        $this->purgeSettingsCache();
-
         $response = $this->send(
             $this->request('GET', '/api', [
                 'authenticatedAs' => 1,
@@ -139,8 +128,6 @@ class SettingsTest extends TestCase
                 ->serializeToForum('customPrefix.noCustomSetting', 'custom-prefix.no_custom_setting', null, 'customDefault')
         );
 
-        $this->purgeSettingsCache();
-
         $response = $this->send(
             $this->request('GET', '/api', [
                 'authenticatedAs' => 1,
@@ -165,8 +152,6 @@ class SettingsTest extends TestCase
                 }, 'customDefault')
         );
 
-        $this->purgeSettingsCache();
-
         $response = $this->send(
             $this->request('GET', '/api', [
                 'authenticatedAs' => 1,
diff --git a/tests/integration/extenders/UserTest.php b/tests/integration/extenders/UserTest.php
index 2f3226d47..ef37ec53b 100644
--- a/tests/integration/extenders/UserTest.php
+++ b/tests/integration/extenders/UserTest.php
@@ -12,7 +12,6 @@ namespace Flarum\Tests\integration\extenders;
 use Flarum\Extend;
 use Flarum\Testing\integration\RetrievesAuthorizedUsers;
 use Flarum\Testing\integration\TestCase;
-use Flarum\Testing\integration\UsesSettings;
 use Flarum\User\DisplayName\DriverInterface;
 use Flarum\User\User;
 use Illuminate\Support\Arr;
@@ -20,7 +19,6 @@ use Illuminate\Support\Arr;
 class UserTest extends TestCase
 {
     use RetrievesAuthorizedUsers;
-    use UsesSettings;
 
     /**
      * @inheritDoc
@@ -32,22 +30,10 @@ class UserTest extends TestCase
         $this->prepareDatabase([
             'users' => [
                 $this->normalUser(),
-            ],
-            'settings' => [
-                ['key' => 'display_name_driver', 'value' => 'custom'],
             ]
         ]);
-    }
 
-    /**
-     * Purge the settings cache and reset the new display name driver.
-     */
-    protected function recalculateDisplayNameDriver()
-    {
-        $this->purgeSettingsCache();
-        $container = $this->app()->getContainer();
-        $container->forgetInstance('flarum.user.display_name.driver');
-        User::setDisplayNameDriver($container->make('flarum.user.display_name.driver'));
+        $this->setting('display_name_driver', 'custom');
     }
 
     protected function registerTestPreference()
@@ -64,7 +50,6 @@ class UserTest extends TestCase
     public function username_display_name_driver_used_by_default()
     {
         $this->app();
-        $this->recalculateDisplayNameDriver();
 
         $user = User::find(1);
 
@@ -82,7 +67,6 @@ class UserTest extends TestCase
         );
 
         $this->app();
-        $this->recalculateDisplayNameDriver();
 
         $user = User::find(1);