diff --git a/tests/integration_test_send_message_v2.py b/tests/integration_test_send_message_v2.py
index 67755ac4..c83a9f5e 100644
--- a/tests/integration_test_send_message_v2.py
+++ b/tests/integration_test_send_message_v2.py
@@ -517,80 +517,80 @@ async def test_greeting(
     assert run.status == JobStatus.completed
 
 
-# @pytest.mark.parametrize(
-#     "llm_config",
-#     TESTED_LLM_CONFIGS,
-#     ids=[c.model for c in TESTED_LLM_CONFIGS],
-# )
-# @pytest.mark.parametrize("send_type", ["step", "stream_steps", "stream_tokens", "stream_tokens_background"])
-# @pytest.mark.asyncio(loop_scope="function")
-# async def test_parallel_tool_call_anthropic_streaming(
-#     disable_e2b_api_key: Any,
-#     client: AsyncLetta,
-#     agent_state: AgentState,
-#     llm_config: LLMConfig,
-#     send_type: str,
-# ) -> None:
-#     if llm_config.model_endpoint_type != "anthropic":
-#         pytest.skip("Parallel tool calling test only applies to Anthropic models.")
-#
-#     agent_state = await client.agents.modify(agent_id=agent_state.id, llm_config=llm_config)
-#
-#     if send_type == "step":
-#         await client.agents.messages.create(
-#             agent_id=agent_state.id,
-#             messages=USER_MESSAGE_ROLL_DICE,
-#         )
-#     elif send_type == "async":
-#         run = await client.agents.messages.create_async(
-#             agent_id=agent_state.id,
-#             messages=USER_MESSAGE_ROLL_DICE,
-#         )
-#         await wait_for_run_completion(client, run.id)
-#     else:
-#         client.agents.messages.create_stream(
-#             agent_id=agent_state.id,
-#             messages=USER_MESSAGE_ROLL_DICE,
-#             stream_tokens=(send_type == "stream_tokens"),
-#             background=(send_type == "stream_tokens_background"),
-#         )
-#
-#     # validate parallel tool call behavior in preserved messages
-#     preserved_messages = await client.agents.messages.list(agent_id=agent_state.id)
-#
-#     # find the tool call message in preserved messages
-#     tool_call_msg = None
-#     tool_return_msg = None
-#     for msg in preserved_messages:
-#         if isinstance(msg, ToolCallMessage):
-#             tool_call_msg = msg
-#         elif isinstance(msg, ToolReturnMessage):
-#             tool_return_msg = msg
-#
-#     # assert parallel tool calls were made
-#     assert tool_call_msg is not None, "ToolCallMessage not found in preserved messages"
-#     assert hasattr(tool_call_msg, "tool_calls"), "tool_calls field not found in ToolCallMessage"
-#     assert len(tool_call_msg.tool_calls) == 3, f"Expected 3 parallel tool calls, got {len(tool_call_msg.tool_calls)}"
-#
-#     # verify each tool call
-#     for tc in tool_call_msg.tool_calls:
-#         assert tc["name"] == "roll_dice"
-#         assert tc["tool_call_id"].startswith("toolu_")
-#         assert "num_sides" in tc["arguments"]
-#
-#     # assert tool returns match the tool calls
-#     assert tool_return_msg is not None, "ToolReturnMessage not found in preserved messages"
-#     assert hasattr(tool_return_msg, "tool_returns"), "tool_returns field not found in ToolReturnMessage"
-#     assert len(tool_return_msg.tool_returns) == 3, f"Expected 3 tool returns, got {len(tool_return_msg.tool_returns)}"
-#
-#     # verify each tool return
-#     tool_call_ids = {tc["tool_call_id"] for tc in tool_call_msg.tool_calls}
-#     for tr in tool_return_msg.tool_returns:
-#         assert tr["type"] == "tool"
-#         assert tr["status"] == "success"
-#         assert tr["tool_call_id"] in tool_call_ids, f"tool_call_id {tr['tool_call_id']} not found in tool calls"
-#         assert int(tr["tool_return"]) >= 1 and int(tr["tool_return"]) <= 6
-#
+@pytest.mark.parametrize(
+    "llm_config",
+    TESTED_LLM_CONFIGS,
+    ids=[c.model for c in TESTED_LLM_CONFIGS],
+)
+@pytest.mark.parametrize("send_type", ["stream_tokens"])  # ["step", "stream_steps", "stream_tokens", "stream_tokens_background"])
+@pytest.mark.asyncio(loop_scope="function")
+async def test_parallel_tool_call_anthropic_streaming(
+    disable_e2b_api_key: Any,
+    client: AsyncLetta,
+    agent_state: AgentState,
+    llm_config: LLMConfig,
+    send_type: str,
+) -> None:
+    if llm_config.model_endpoint_type != "anthropic":
+        pytest.skip("Parallel tool calling test only applies to Anthropic models.")
+
+    agent_state = await client.agents.modify(agent_id=agent_state.id, llm_config=llm_config)
+
+    if send_type == "step":
+        await client.agents.messages.create(
+            agent_id=agent_state.id,
+            messages=USER_MESSAGE_PARALLEL_TOOL_CALL,
+        )
+    elif send_type == "async":
+        run = await client.agents.messages.create_async(
+            agent_id=agent_state.id,
+            messages=USER_MESSAGE_PARALLEL_TOOL_CALL,
+        )
+        await wait_for_run_completion(client, run.id)
+    else:
+        response = client.agents.messages.create_stream(
+            agent_id=agent_state.id,
+            messages=USER_MESSAGE_PARALLEL_TOOL_CALL,
+            stream_tokens=(send_type == "stream_tokens"),
+            background=(send_type == "stream_tokens_background"),
+        )
+        await accumulate_chunks(response)
+
+    # validate parallel tool call behavior in preserved messages
+    preserved_messages = await client.agents.messages.list(agent_id=agent_state.id)
+
+    # find the tool call message in preserved messages
+    tool_call_msg = None
+    tool_return_msg = None
+    for msg in preserved_messages:
+        if isinstance(msg, ToolCallMessage):
+            tool_call_msg = msg
+        elif isinstance(msg, ToolReturnMessage):
+            tool_return_msg = msg
+
+    # assert parallel tool calls were made
+    assert tool_call_msg is not None, "ToolCallMessage not found in preserved messages"
+    assert hasattr(tool_call_msg, "tool_calls"), "tool_calls field not found in ToolCallMessage"
+    assert len(tool_call_msg.tool_calls) == 3, f"Expected 3 parallel tool calls, got {len(tool_call_msg.tool_calls)}"
+
+    # verify each tool call
+    for tc in tool_call_msg.tool_calls:
+        assert tc["name"] == "roll_dice"
+        assert tc["tool_call_id"].startswith("toolu_")
+        assert "num_sides" in tc["arguments"]
+
+    # assert tool returns match the tool calls
+    assert tool_return_msg is not None, "ToolReturnMessage not found in preserved messages"
+    assert hasattr(tool_return_msg, "tool_returns"), "tool_returns field not found in ToolReturnMessage"
+    assert len(tool_return_msg.tool_returns) == 3, f"Expected 3 tool returns, got {len(tool_return_msg.tool_returns)}"
+
+    # verify each tool return
+    tool_call_ids = {tc["tool_call_id"] for tc in tool_call_msg.tool_calls}
+    for tr in tool_return_msg.tool_returns:
+        assert tr["type"] == "tool"
+        assert tr["status"] == "success"
+        assert tr["tool_call_id"] in tool_call_ids, f"tool_call_id {tr['tool_call_id']} not found in tool calls"
+        assert int(tr["tool_return"]) >= 1 and int(tr["tool_return"]) <= 6
 
 
 @pytest.mark.parametrize(