diff --git a/tests/code_coverage_tests/router_code_coverage.py b/tests/code_coverage_tests/router_code_coverage.py
index 35ea66763a9..6fcf954cc1a 100644
--- a/tests/code_coverage_tests/router_code_coverage.py
+++ b/tests/code_coverage_tests/router_code_coverage.py
@@ -185,7 +185,7 @@ ignored_function_names = [
     "_pre_call_check_token_count",  # Run by _pre_call_check_token_counts, tested through the per-deployment pre-call check tests in test_router.py
     "_pre_call_check_token_counts",  # Run by _pre_call_checks and _acount_pre_call_check_tokens, tested through the pre-call check tests in test_router.py
     "_resolve_pre_call_check_token_counts",  # Run by _pre_call_checks, tested through the precounted and inline pre-call check tests in test_router.py
-    "_context_window_exceeded_line",  # Builds the ContextWindowExceededError text, tested through the Got= assertions in test_router.py
+    "_context_window_exceeded_line",  # Builds the ContextWindowExceededError text, tested through the stand-in margin refusal test in test_router.py
 ]
 
 
diff --git a/tests/unit/test_router/test_router.py b/tests/unit/test_router/test_router.py
index 9d6d1d3db36..6e280cca81f 100644
--- a/tests/unit/test_router/test_router.py
+++ b/tests/unit/test_router/test_router.py
@@ -30351,7 +30351,9 @@ def test_pre_call_checks_refuses_a_stand_in_count_past_the_margin():
     tokens: Final = _stand_in_tokens(_RUSSIAN_PROMPT)
     largest_window_past_margin: Final = (tokens - 1) // STAND_IN_OVERCOUNT_MARGIN
 
-    with pytest.raises(litellm.ContextWindowExceededError):
+    with pytest.raises(
+        litellm.ContextWindowExceededError, match=f"Max Input Tokens={largest_window_past_margin}, Got={tokens}"
+    ):
         _kept_ids(_single_deployment("openai/my-fake-model", largest_window_past_margin), _RUSSIAN_PROMPT)