add test for response model init

Author: chasefarmer-pixee

tests/models/test_openai.py

@@ -94,12 +94,18 @@
 ]
 
 
-def test_init():
+def test_chat_model_init():
     m = OpenAIChatModel('gpt-4o', provider=OpenAIProvider(api_key='foobar'))
     assert m.base_url == 'https://api.openai.com/v1/'
     assert m.client.api_key == 'foobar'
     assert m.model_name == 'gpt-4o'
 
+def test_response_model_init():
+    m = OpenAIResponsesModel('o4-mini-deep-research', provider=OpenAIProvider(api_key='foobar'))
+    assert m.base_url == 'https://api.openai.com/v1/'
+    assert m.client.api_key == 'foobar'
+    assert m.model_name == 'o4-mini-deep-research'
+
 
 async def test_request_simple_success(allow_model_requests: None):
     c = completion_message(