test(test_bedrock_completion.py): refactor test bedrock headers test

litellm/tests/test_bedrock_completion.py

@@ -239,25 +239,6 @@ def test_completion_bedrock_claude_sts_oidc_auth():
         pytest.fail(f"Error occurred: {e}")
 
 
-def test_bedrock_extra_headers():
-    try:
-        litellm.set_verbose = True
-        response: ModelResponse = completion(
-            model="bedrock/anthropic.claude-3-sonnet-20240229-v1:0",
-            messages=messages,
-            max_tokens=10,
-            temperature=0.78,
-            extra_headers={"x-key": "x_key_value"},
-        )
-        # Add any assertions here to check the response
-        assert len(response.choices) > 0
-        assert len(response.choices[0].message.content) > 0
-    except RateLimitError:
-        pass
-    except Exception as e:
-        pytest.fail(f"Error occurred: {e}")
-
-
 def test_bedrock_claude_3():
     try:
         litellm.set_verbose = True
@@ -536,3 +517,31 @@ def test_bedrock_ptu():
             == "https://bedrock-runtime.us-west-2.amazonaws.com/model/arn%3Aaws%3Abedrock%3Aus-west-2%3A888602223428%3Aprovisioned-model%2F8fxff74qyhs3/invoke"
         )
         mock_client_post.assert_called_once()
+
+
+def test_bedrock_extra_headers():
+    """
+    Check if a url with 'modelId' passed in, is created correctly
+
+    Reference: https://github.com/BerriAI/litellm/issues/3805
+    """
+    client = HTTPHandler()
+
+    with patch.object(client, "post", new=Mock()) as mock_client_post:
+        litellm.set_verbose = True
+        from openai.types.chat import ChatCompletion
+
+        try:
+            response = litellm.completion(
+                model="anthropic.claude-3-sonnet-20240229-v1:0",
+                messages=[{"role": "user", "content": "What's AWS?"}],
+                client=client,
+                extra_headers={"test": "hello world"},
+            )
+        except Exception as e:
+            pass
+
+        print(f"mock_client_post.call_args: {mock_client_post.call_args}")
+        assert "test" in mock_client_post.call_args.kwargs["headers"]
+        assert mock_client_post.call_args.kwargs["headers"]["test"] == "hello world"
+        mock_client_post.assert_called_once()