chore(tests): improve enum examples (#2286)

Author: stainless-app[bot]

Diff for: tests/api_resources/test_images.py

@@ -31,7 +31,7 @@ def test_method_create_variation_with_all_params(self, client: OpenAI) -> None:
             model="dall-e-2",
             n=1,
             response_format="url",
-            size="256x256",
+            size="1024x1024",
             user="user-1234",
         )
         assert_matches_type(ImagesResponse, image, path=["response"])
@@ -77,7 +77,7 @@ def test_method_edit_with_all_params(self, client: OpenAI) -> None:
             model="dall-e-2",
             n=1,
             response_format="url",
-            size="256x256",
+            size="1024x1024",
             user="user-1234",
         )
         assert_matches_type(ImagesResponse, image, path=["response"])
@@ -123,7 +123,7 @@ def test_method_generate_with_all_params(self, client: OpenAI) -> None:
             n=1,
             quality="standard",
             response_format="url",
-            size="256x256",
+            size="1024x1024",
             style="vivid",
             user="user-1234",
         )
@@ -171,7 +171,7 @@ async def test_method_create_variation_with_all_params(self, async_client: Async
             model="dall-e-2",
             n=1,
             response_format="url",
-            size="256x256",
+            size="1024x1024",
             user="user-1234",
         )
         assert_matches_type(ImagesResponse, image, path=["response"])
@@ -217,7 +217,7 @@ async def test_method_edit_with_all_params(self, async_client: AsyncOpenAI) -> N
             model="dall-e-2",
             n=1,
             response_format="url",
-            size="256x256",
+            size="1024x1024",
             user="user-1234",
         )
         assert_matches_type(ImagesResponse, image, path=["response"])
@@ -263,7 +263,7 @@ async def test_method_generate_with_all_params(self, async_client: AsyncOpenAI)
             n=1,
             quality="standard",
             response_format="url",
-            size="256x256",
+            size="1024x1024",
             style="vivid",
             user="user-1234",
         )