diff --git a/tests/test_litellm/proxy/_experimental/mcp_server/test_mcp_hook_extra_headers.py b/tests/test_litellm/proxy/_experimental/mcp_server/test_mcp_hook_extra_headers.py
index 649a08e8744..18b2d5cce22 100644
--- a/tests/test_litellm/proxy/_experimental/mcp_server/test_mcp_hook_extra_headers.py
+++ b/tests/test_litellm/proxy/_experimental/mcp_server/test_mcp_hook_extra_headers.py
@@ -549,7 +549,7 @@ class TestHookHeaderMergePriority:
         captured_extra_headers: Dict[str, Any] = {}
 
         async def fake_create_mcp_client(
-            server, mcp_auth_header=None, extra_headers=None, stdio_env=None
+            server, mcp_auth_header=None, extra_headers=None, stdio_env=None, subject_token=None
         ):
             captured_extra_headers["value"] = extra_headers
             mock_client = MagicMock()
@@ -589,7 +589,7 @@ class TestHookHeaderMergePriority:
         captured_extra_headers: Dict[str, Any] = {}
 
         async def fake_create_mcp_client(
-            server, mcp_auth_header=None, extra_headers=None, stdio_env=None
+            server, mcp_auth_header=None, extra_headers=None, stdio_env=None, subject_token=None
         ):
             captured_extra_headers["value"] = extra_headers
             mock_client = MagicMock()
@@ -635,7 +635,7 @@ class TestHookHeaderMergePriority:
         captured_extra_headers: Dict[str, Any] = {}
 
         async def fake_create_mcp_client(
-            server, mcp_auth_header=None, extra_headers=None, stdio_env=None
+            server, mcp_auth_header=None, extra_headers=None, stdio_env=None, subject_token=None
         ):
             captured_extra_headers["value"] = extra_headers
             mock_client = MagicMock()
@@ -691,7 +691,7 @@ class TestHookHeaderMergePriority:
         captured_extra_headers: Dict[str, Any] = {}
 
         async def fake_create_mcp_client(
-            server, mcp_auth_header=None, extra_headers=None, stdio_env=None
+            server, mcp_auth_header=None, extra_headers=None, stdio_env=None, subject_token=None
         ):
             captured_extra_headers["value"] = extra_headers
             mock_client = MagicMock()
@@ -739,7 +739,7 @@ class TestHookHeaderMergePriority:
         captured_extra_headers: Dict[str, Any] = {}
 
         async def fake_create_mcp_client(
-            server, mcp_auth_header=None, extra_headers=None, stdio_env=None
+            server, mcp_auth_header=None, extra_headers=None, stdio_env=None, subject_token=None
         ):
             captured_extra_headers["value"] = extra_headers
             mock_client = MagicMock()