FIX remove obsolete assertions from image target integration tests (microsoft#1294)

Author: romanlutz

tests/integration/targets/test_targets_and_secrets.py

@@ -280,19 +280,14 @@ async def test_connect_openai_completion(sqlite_instance):
 
 @pytest.mark.asyncio
 @pytest.mark.parametrize(
-    ("endpoint", "api_key", "model_name", "is_dalle_model"),
+    ("endpoint", "api_key", "model_name"),
     [
-        ("OPENAI_IMAGE_ENDPOINT1", "OPENAI_IMAGE_API_KEY1", "OPENAI_IMAGE_MODEL1", True),  # DALL-E-3
-        ("OPENAI_IMAGE_ENDPOINT2", "OPENAI_IMAGE_API_KEY2", "OPENAI_IMAGE_MODEL2", False),  # gpt-image-1
-        (
-            "PLATFORM_OPENAI_IMAGE_ENDPOINT",
-            "PLATFORM_OPENAI_IMAGE_KEY",
-            "PLATFORM_OPENAI_IMAGE_MODEL",
-            True,
-        ),  # DALL-E-3
+        ("OPENAI_IMAGE_ENDPOINT1", "OPENAI_IMAGE_API_KEY1", "OPENAI_IMAGE_MODEL1"),  # DALL-E-3
+        ("OPENAI_IMAGE_ENDPOINT2", "OPENAI_IMAGE_API_KEY2", "OPENAI_IMAGE_MODEL2"),  # gpt-image-1
+        ("PLATFORM_OPENAI_IMAGE_ENDPOINT", "PLATFORM_OPENAI_IMAGE_KEY", "PLATFORM_OPENAI_IMAGE_MODEL"),  # DALL-E-3
     ],
 )
-async def test_connect_image(sqlite_instance, endpoint, api_key, model_name, is_dalle_model):
+async def test_connect_image(sqlite_instance, endpoint, api_key, model_name):
     endpoint_value = _get_required_env_var(endpoint)
     api_key_value = _get_required_env_var(api_key)
     model_name_value = os.getenv(model_name) if model_name else ""
@@ -303,9 +298,6 @@ async def test_connect_image(sqlite_instance, endpoint, api_key, model_name, is_
         model_name=model_name_value,
     )
 
-    # Verify the flag starts as False
-    assert target._requires_response_format is False
-
     image_prompt = "A simple test image of a raccoon"
     attack = PromptSendingAttack(objective_target=target)
     result = await attack.execute_async(objective=image_prompt)
@@ -322,14 +314,6 @@ async def test_connect_image(sqlite_instance, endpoint, api_key, model_name, is_
     assert image_path.exists(), f"Image file not found at path: {image_path}"
     assert image_path.is_file(), f"Path exists but is not a file: {image_path}"
 
-    # Verify the adaptive response_format flag behavior
-    # DALL-E models return URLs by default, so flag should be set to True after first call
-    # gpt-image-1 always returns base64, so flag should remain False
-    if is_dalle_model:
-        assert target._requires_response_format is True, "DALL-E model should set response_format flag to True"
-    else:
-        assert target._requires_response_format is False, "gpt-image-1 should keep response_format flag as False"
-
 
 @pytest.mark.asyncio
 @pytest.mark.parametrize(