diff --git a/tests/unit_tests/test_time_series.py b/tests/unit_tests/test_time_series.py
index 0cf75ca46..c40ebe90b 100644
--- a/tests/unit_tests/test_time_series.py
+++ b/tests/unit_tests/test_time_series.py
@@ -304,9 +304,9 @@ def test_check_rate_is_not_zero_single_frame_pass():
 
 
 def test_check_rate_is_not_zero_timestamp_is_none_fail():
-    time_series = pynwb.TimeSeries(name="test", unit="test_units", data=[1, 2, 3], rate=0.0)
+    time_series = pynwb.TimeSeries(name="TimeSeriesTestt", unit="n.a.", data=[1, 2, 3], rate=0.0)
     assert check_rate_is_not_zero(time_series) == InspectorMessage(
-        message=f"{time_series.name} has a sampling rate value of 0.0Hz but the series has more than one frame.",
+        message="TimeSeriesTest has a sampling rate value of 0.0Hz but the series has more than one frame.",
         importance=Importance.BEST_PRACTICE_VIOLATION,
         check_function_name="check_rate_is_not_zero",
         object_type="TimeSeries",