diff --git a/api/tests/unit/Middleware/ErrorHandlerTest.php b/api/tests/unit/Middleware/ErrorHandlerTest.php
index b1c842e..1c4e9d5 100644
--- a/api/tests/unit/Middleware/ErrorHandlerTest.php
+++ b/api/tests/unit/Middleware/ErrorHandlerTest.php
@@ -12,6 +12,9 @@ use Psr\Http\Message\StreamInterface;
 use Psr\Log\LoggerInterface;
 use Slim\App;
 use Slim\Exception\HttpException;
+use Slim\Interfaces\RouteParserInterface;
+use Slim\Routing\RouteContext;
+use Slim\Routing\RoutingResults;
 use TorstenHettstedt\TimekeepingApi\Middleware\ErrorHandler;
 
 class ErrorHandlerTest extends Unit
@@ -28,6 +31,7 @@ class ErrorHandlerTest extends Unit
     protected function _before(): void
     {
         parent::_before();
+        /** @noinspection PhpFieldAssignmentTypeMismatchInspection */
         $this->app = $this->makeEmpty(App::class, [
             'getResponseFactory' => $this->makeEmpty(ResponseFactoryInterface::class, [
                 'createResponse' => $this->makeEmpty(ResponseInterface::class, [
@@ -40,7 +44,16 @@ class ErrorHandlerTest extends Unit
                 ]),
             ]),
         ]);
-        $this->request = $this->makeEmpty(ServerRequestInterface::class);
+        /** @noinspection PhpFieldAssignmentTypeMismatchInspection */
+        $this->request = $this->makeEmpty(ServerRequestInterface::class, [
+            'getAttribute' => function($name) {
+                return match ($name) {
+                    RouteContext::ROUTE_PARSER => $this->makeEmpty(RouteParserInterface::class),
+                    RouteContext::ROUTING_RESULTS => $this->makeEmpty(RoutingResults::class),
+                    default => null,
+                };
+            }
+        ]);
     }
 
     /**
@@ -48,11 +61,13 @@ class ErrorHandlerTest extends Unit
      */
     public function testUseWithLogger(): void
     {
+        /** @noinspection PhpFieldAssignmentTypeMismatchInspection */
         $this->exception = $this->make(Exception::class, [
             'message' => '',
             'code'    => 400,
             'file'    => '/path(to/file',
         ]);
+        /** @noinspection PhpFieldAssignmentTypeMismatchInspection */
         $this->logger = $this->makeEmpty(LoggerInterface::class, [
             'error' => Expected::once(),
         ]);
@@ -66,12 +81,14 @@ class ErrorHandlerTest extends Unit
      */
     public function testUseWithHttpException(): void
     {
+        /** @noinspection PhpFieldAssignmentTypeMismatchInspection */
         $this->exception = $this->make(HttpException::class, [
             'message' => '',
             'code'    => 400,
             'file'    => '/path(to/file',
             'getTitle'   => Expected::once('The Title'),
         ]);
+        /** @noinspection PhpFieldAssignmentTypeMismatchInspection */
         $this->logger = $this->makeEmpty(LoggerInterface::class, []);
 
         $middleWare = new ErrorHandler($this->app);
@@ -84,11 +101,13 @@ class ErrorHandlerTest extends Unit
      */
     public function testUseWithGeneralException(): void
     {
+        /** @noinspection PhpFieldAssignmentTypeMismatchInspection */
         $this->exception = $this->make(Exception::class, [
             'message' => '',
             'code'    => 400,
             'file'    => '/path(to/file',
         ]);
+        /** @noinspection PhpFieldAssignmentTypeMismatchInspection */
         $this->logger = $this->makeEmpty(LoggerInterface::class, []);
 
         $middleWare = new ErrorHandler($this->app);