diff --git a/pandas/tests/io/pytables/test_timezones.py b/pandas/tests/io/pytables/test_timezones.py
index 8c8de77990a52..98a2b18d59b09 100644
--- a/pandas/tests/io/pytables/test_timezones.py
+++ b/pandas/tests/io/pytables/test_timezones.py
@@ -82,7 +82,13 @@ def test_append_with_timezones_dateutil(setup_path):
             ),
             index=range(5),
         )
-        with pytest.raises(ValueError):
+
+        msg = (
+            r"invalid info for \[values_block_1\] for \[tz\], "
+            r"existing_value \[dateutil/.*US/Eastern\] "
+            r"conflicts with new value \[dateutil/.*EET\]"
+        )
+        with pytest.raises(ValueError, match=msg):
             store.append("df_tz", df)
 
         # this is ok
@@ -100,7 +106,13 @@ def test_append_with_timezones_dateutil(setup_path):
             ),
             index=range(5),
         )
-        with pytest.raises(ValueError):
+
+        msg = (
+            r"invalid info for \[B\] for \[tz\], "
+            r"existing_value \[dateutil/.*EET\] "
+            r"conflicts with new value \[dateutil/.*CET\]"
+        )
+        with pytest.raises(ValueError, match=msg):
             store.append("df_tz", df)
 
     # as index
@@ -169,7 +181,12 @@ def test_append_with_timezones_pytz(setup_path):
             ),
             index=range(5),
         )
-        with pytest.raises(ValueError):
+
+        msg = (
+            r"invalid info for \[values_block_1\] for \[tz\], "
+            r"existing_value \[US/Eastern\] conflicts with new value \[EET\]"
+        )
+        with pytest.raises(ValueError, match=msg):
             store.append("df_tz", df)
 
         # this is ok
@@ -187,7 +204,12 @@ def test_append_with_timezones_pytz(setup_path):
             ),
             index=range(5),
         )
-        with pytest.raises(ValueError):
+
+        msg = (
+            r"invalid info for \[B\] for \[tz\], "
+            r"existing_value \[EET\] conflicts with new value \[CET\]"
+        )
+        with pytest.raises(ValueError, match=msg):
             store.append("df_tz", df)
 
     # as index