diff --git a/tests/Entity/ProjectApi/CreateTest.php b/tests/Entity/ProjectApi/CreateTest.php
index 2ae3da5..54c04e7 100644
--- a/tests/Entity/ProjectApi/CreateTest.php
+++ b/tests/Entity/ProjectApi/CreateTest.php
@@ -123,18 +123,20 @@ class CreateTest extends ApiTestCase
         $this->assertResponseStatusCodeSame(Response::HTTP_UNPROCESSABLE_ENTITY);
     }
 
-    public function testPostWithInvalidInput(): void
+    private function testPostWithInvalidInput(array $invalidData): void
     {
         $requestData = [
             'title' => 'New Education Project',
             'subtitle' => 'Education for the Future',
-            'category' => 'nonexistent-category', // invalid category
+            'category' => 'education',
             'territory' => ['country' => 'ES'],
             'description' => 'Detailed project description',
             'deadline' => 'minimum',
             'video' => 'https://www.youtube.com/watch?v=bnrVQHEXmOk',
         ];
 
+        $requestData = array_merge($requestData, $invalidData);
+
         $client = static::createClient();
         $client->request('POST', self::POST_URL, [
             'headers' => $this->getHeaders($client),
@@ -144,6 +146,14 @@ class CreateTest extends ApiTestCase
         $this->assertResponseStatusCodeSame(Response::HTTP_BAD_REQUEST);
     }
 
+    public function testPostWithInvalidCategory() : void {
+        $this->testPostWithInvalidInput(['category' => 'nonexistent-category']);
+    }
+
+    public function testPostWithInvalidDeadline() : void {
+        $this->testPostWithInvalidInput(['deadline' => 'extended']);
+    }
+
     public function testPostUnauthorized()
     {
         $client = static::createClient();