test: update usage of owner -> created_by

program/tests/test_images.py

@@ -21,12 +21,12 @@ def image_data() -> dict[str, str]:
 
 @pytest.fixture
 def owned_image(image_file, common_user1) -> Image:
-    return ImageFactory(image=image_file, owner=common_user1)
+    return ImageFactory(image=image_file, created_by=common_user1)
 
 
 @pytest.fixture
 def owned_licensed_image(image_file, common_user1, public_domain_license) -> Image:
-    return ImageFactory(image=image_file, owner=common_user1, licensing=LicensingFactory())
+    return ImageFactory(image=image_file, created_by=common_user1, licensing=LicensingFactory())
 
 
 def test_create_image(image_file, common_api_client1):
@@ -72,7 +72,7 @@ def test_delete_image_not_found_for_different_user(owned_image, common_api_clien
 
 def test_list_images(image_file, common_user1, common_api_client1):
     IMAGES = 3
-    ImageFactory.create_batch(size=IMAGES, image=image_file, owner=common_user1)
+    ImageFactory.create_batch(size=IMAGES, image=image_file, created_by=common_user1)
 
     response = common_api_client1.get(url())
 
@@ -82,7 +82,7 @@ def test_list_images(image_file, common_user1, common_api_client1):
 
 def test_list_images_for_different_user(image_file, common_user1, common_api_client2):
     IMAGES = 3
-    ImageFactory.create_batch(size=IMAGES, image=image_file, owner=common_user1)
+    ImageFactory.create_batch(size=IMAGES, image=image_file, created_by=common_user1)
 
     response = common_api_client2.get(url())