diff --git a/src/Tempest/Framework/Testing/Http/TestResponseHelper.php b/src/Tempest/Framework/Testing/Http/TestResponseHelper.php
index 5a244b98a..eb29cf559 100644
--- a/src/Tempest/Framework/Testing/Http/TestResponseHelper.php
+++ b/src/Tempest/Framework/Testing/Http/TestResponseHelper.php
@@ -142,8 +142,8 @@ public function assertStatus(Status $expected): self
             actual: $this->status,
             message: sprintf(
                 'Failed asserting status [%s] matched expected status of [%s].',
-                $expected->value,
                 $this->status->value,
+                $expected->value,
             ),
         );
 
diff --git a/tests/Integration/Route/RequestToObjectMapperTest.php b/tests/Integration/Route/RequestToObjectMapperTest.php
index 67d0e20bf..d22b9a2c3 100644
--- a/tests/Integration/Route/RequestToObjectMapperTest.php
+++ b/tests/Integration/Route/RequestToObjectMapperTest.php
@@ -140,7 +140,7 @@ public function test_missing_enum_value(): void
         try {
             map($request)->to(RequestWithEnum::class);
         } catch (ValidationFailed $validationFailed) {
-            $this->assertInstanceOf(NotNull::class, $validationFailed->failingRules['enumParam'][0]);
+            $this->assertInstanceOf(IsNotNull::class, $validationFailed->failingRules['enumParam'][0]);
         }
     }
 }