diff --git a/src/backend/InvenTree/build/test_api.py b/src/backend/InvenTree/build/test_api.py
index f5a50dcd15..bada9cd73c 100644
--- a/src/backend/InvenTree/build/test_api.py
+++ b/src/backend/InvenTree/build/test_api.py
@@ -1195,6 +1195,7 @@ class BuildListTest(BuildAPITest):
             ('user_detail', 'issued_by_detail'),
             ('user_detail', 'responsible_detail'),
             ('project_code_detail', 'project_code_detail'),
+            ('project_code_detail', 'project_code'),
         ]
 
         for param, field in test_cases:
diff --git a/src/backend/InvenTree/part/test_api.py b/src/backend/InvenTree/part/test_api.py
index 079987fc77..2332100be7 100644
--- a/src/backend/InvenTree/part/test_api.py
+++ b/src/backend/InvenTree/part/test_api.py
@@ -1395,6 +1395,34 @@ class PartAPITest(PartAPITestBase):
 
         self.assertIn('notes', response.data)
 
+    def test_output_options(self):
+        """Test the output options for PartList list."""
+        url = reverse('api-part-list')
+        test_cases = [
+            ('location_detail', 'default_location_detail'),
+            ('parameters', 'parameters'),
+            ('path_detail', 'category_path'),
+            ('pricing', 'pricing_min'),
+            ('pricing', 'pricing_updated'),
+        ]
+
+        for param, field in test_cases:
+            # Test with parameter set to 'true'
+            response = self.get(url, {param: 'true', 'limit': 1}, expected_code=200)
+            self.assertIn(
+                field,
+                response.data['results'][0],
+                f"Field '{field}' should be present when {param}='true'",
+            )
+
+            # Test with parameter set to 'false'
+            response = self.get(url, {param: 'false', 'limit': 1}, expected_code=200)
+            self.assertNotIn(
+                field,
+                response.data['results'][0],
+                f"Field '{field}' should not be present when {param}='false'",
+            )
+
 
 class PartCreationTests(PartAPITestBase):
     """Tests for creating new Part instances via the API."""
@@ -2664,10 +2692,11 @@ class BomItemTest(InvenTreeAPITestCase):
         self.assertEqual(int(float(response.data['quantity'])), 57)
         self.assertEqual(response.data['note'], 'Added a note')
 
+    # TODO add test for (pricing, pricing_min)
     def test_output_options(self):
         """Test that various output options work as expected."""
         url = reverse('api-bom-item-detail', kwargs={'pk': 3})
-        options = ['can_build', 'part_detail', 'sub_part_detail']
+        options = ['can_build', 'part_detail', 'sub_part_detail', 'substitutes']
         for option in options:
             response = self.get(url, {f'{option}': True}, expected_code=200)
             self.assertIn(option, response.data)