diff --git a/src/Http/FakeHttp.php b/src/Http/FakeHttp.php
index 2c20cd6..6eff49b 100644
--- a/src/Http/FakeHttp.php
+++ b/src/Http/FakeHttp.php
@@ -7,6 +7,7 @@ namespace Spiral\Testing\Http;
 use Nyholm\Psr7\ServerRequest;
 use Nyholm\Psr7\Stream;
 use Psr\Container\ContainerInterface;
+use Psr\Container\NotFoundExceptionInterface;
 use Psr\Http\Message\ResponseInterface;
 use Psr\Http\Message\ServerRequestInterface;
 use Psr\Http\Message\StreamInterface;
@@ -421,9 +422,7 @@ class FakeHttp
             $bindings[ActorProviderInterface::class] = new FakeActorProvider($this->actor);
             $bindings[TokenStorageInterface::class] = new FakeTokenStorage();
 
-            $transport = new TransportRegistry();
-            $transport->setTransport('testing', new HeaderTransport(static::AUTH_TOKEN_HEADER_KEY));
-            $bindings[TransportRegistry::class] = $transport;
+            $bindings[TransportRegistry::class] = $this->createFakeTransportRegistry();
         }
 
         if ($this->session) {
@@ -461,4 +460,30 @@ class FakeHttp
             throw new \InvalidArgumentException('$data should be an array or an object.');
         }
     }
+
+    /**
+     * The fake token travels in the {@see self::AUTH_TOKEN_HEADER_KEY} header, so every transport the
+     * application has configured is replaced by one that reads it. The configured names are kept because
+     * {@see \Spiral\Auth\Middleware\AuthTransportMiddleware} resolves a transport by name.
+     */
+    private function createFakeTransportRegistry(): TransportRegistry
+    {
+        $registry = new TransportRegistry();
+        $transport = new HeaderTransport(static::AUTH_TOKEN_HEADER_KEY);
+
+        try {
+            /** @var TransportRegistry $configured */
+            $configured = $this->container->get(TransportRegistry::class);
+            foreach (\array_keys($configured->getTransports()) as $name) {
+                $registry->setTransport((string) $name, $transport);
+            }
+        } catch (NotFoundExceptionInterface) {
+            // Nothing to copy the names from; the fake transport is all there is.
+        }
+
+        $registry->setTransport('testing', $transport);
+        $registry->setDefaultTransport('testing');
+
+        return $registry;
+    }
 }
diff --git a/tests/app/Bootloader/CustomAuthTransportBootloader.php b/tests/app/Bootloader/CustomAuthTransportBootloader.php
new file mode 100644
index 0000000..6ab6f26
--- /dev/null
+++ b/tests/app/Bootloader/CustomAuthTransportBootloader.php
@@ -0,0 +1,27 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Spiral\Testing\Tests\App\Bootloader;
+
+use Spiral\Auth\Transport\HeaderTransport;
+use Spiral\Boot\Bootloader\Bootloader;
+use Spiral\Bootloader\Auth\HttpAuthBootloader;
+
+/**
+ * Registers an auth transport under a name that does not exist in the default auth config.
+ */
+final class CustomAuthTransportBootloader extends Bootloader
+{
+    public const TRANSPORT = 'custom';
+
+    public function defineDependencies(): array
+    {
+        return [HttpAuthBootloader::class];
+    }
+
+    public function init(HttpAuthBootloader $auth): void
+    {
+        $auth->addTransport(self::TRANSPORT, new HeaderTransport(header: 'X-Custom-Token'));
+    }
+}
diff --git a/tests/src/Http/FakeHttpAuthTransportTest.php b/tests/src/Http/FakeHttpAuthTransportTest.php
new file mode 100644
index 0000000..ffb823e
--- /dev/null
+++ b/tests/src/Http/FakeHttpAuthTransportTest.php
@@ -0,0 +1,95 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Spiral\Testing\Tests\Http;
+
+use Spiral\Auth\Middleware\AuthMiddleware;
+use Spiral\Auth\Middleware\AuthTransportMiddleware;
+use Spiral\Auth\TransportRegistry;
+use Spiral\Core\Container\Autowire;
+use Spiral\Testing\Tests\App\Bootloader\CustomAuthTransportBootloader;
+use Spiral\Testing\Tests\Http\Stub\ActorReportingMiddleware;
+use Spiral\Testing\Tests\TestCase;
+
+final class FakeHttpAuthTransportTest extends TestCase
+{
+    private const HEADER_AUTH = 'auth.header';
+    private const CUSTOM_AUTH = 'auth.custom';
+
+    public function defineBootloaders(): array
+    {
+        return [...parent::defineBootloaders(), CustomAuthTransportBootloader::class];
+    }
+
+    public function testCustomTransportIsConfigured(): void
+    {
+        $transports = $this->getContainer()->get(TransportRegistry::class)->getTransports();
+
+        $this->assertArrayHasKey(CustomAuthTransportBootloader::TRANSPORT, $transports);
+    }
+
+    public function testActorIsAuthenticatedThroughNamedTransport(): void
+    {
+        $actor = new \stdClass();
+
+        $response = $this->fakeHttp()
+            ->withActor($actor)
+            ->withMiddleware(ActorReportingMiddleware::class, self::HEADER_AUTH)
+            ->get('/get/query-params');
+
+        $response->assertOk();
+        $response->assertBodySame($actor::class);
+    }
+
+    public function testActorIsAuthenticatedThroughCustomTransport(): void
+    {
+        $actor = new \stdClass();
+
+        $response = $this->fakeHttp()
+            ->withActor($actor)
+            ->withMiddleware(ActorReportingMiddleware::class, self::CUSTOM_AUTH)
+            ->get('/get/query-params');
+
+        $response->assertOk();
+        $response->assertBodySame($actor::class);
+    }
+
+    public function testActorIsAuthenticatedThroughEveryTransport(): void
+    {
+        $actor = new \stdClass();
+
+        $response = $this->fakeHttp()
+            ->withActor($actor)
+            ->withMiddleware(ActorReportingMiddleware::class, AuthMiddleware::class)
+            ->get('/get/query-params');
+
+        $response->assertOk();
+        $response->assertBodySame($actor::class);
+    }
+
+    public function testRequestWithoutActorStaysUnauthenticated(): void
+    {
+        $response = $this->fakeHttp()
+            ->withMiddleware(ActorReportingMiddleware::class, self::CUSTOM_AUTH)
+            ->get('/get/query-params');
+
+        $response->assertOk();
+        $response->assertBodySame(ActorReportingMiddleware::NO_ACTOR);
+    }
+
+    protected function setUp(): void
+    {
+        parent::setUp();
+
+        $binder = $this->getContainer()->getBinder('http');
+        $binder->bind(
+            self::HEADER_AUTH,
+            new Autowire(AuthTransportMiddleware::class, ['transportName' => 'header']),
+        );
+        $binder->bind(
+            self::CUSTOM_AUTH,
+            new Autowire(AuthTransportMiddleware::class, ['transportName' => CustomAuthTransportBootloader::TRANSPORT]),
+        );
+    }
+}
diff --git a/tests/src/Http/Stub/ActorReportingMiddleware.php b/tests/src/Http/Stub/ActorReportingMiddleware.php
new file mode 100644
index 0000000..9066187
--- /dev/null
+++ b/tests/src/Http/Stub/ActorReportingMiddleware.php
@@ -0,0 +1,26 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Spiral\Testing\Tests\Http\Stub;
+
+use Nyholm\Psr7\Response;
+use Psr\Http\Message\ResponseInterface;
+use Psr\Http\Message\ServerRequestInterface;
+use Psr\Http\Server\MiddlewareInterface;
+use Psr\Http\Server\RequestHandlerInterface;
+use Spiral\Auth\AuthContextInterface;
+use Spiral\Auth\Middleware\AuthMiddleware;
+
+final class ActorReportingMiddleware implements MiddlewareInterface
+{
+    public const NO_ACTOR = 'guest';
+
+    public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface
+    {
+        $context = $request->getAttribute(AuthMiddleware::ATTRIBUTE);
+        $actor = $context instanceof AuthContextInterface ? $context->getActor() : null;
+
+        return new Response(200, body: $actor === null ? self::NO_ACTOR : $actor::class);
+    }
+}