TST: test_replace.py now explicitly check the Timestamp.unit

Author: diogomsmiranda

pandas/tests/scalar/timestamp/methods/test_replace.py

@@ -195,7 +195,11 @@ def test_replace_unit(self):
         ts = Timestamp("2023-07-15 23:08:12")
         ts1 = Timestamp("2023-07-15 23:08:12.134567")
         ts2 = Timestamp("2023-07-15 23:08:12.134567123")
+        ts = ts.replace(microsecond=999)
+        assert ts.unit == "ms"
         ts = ts.replace(microsecond=ts1.microsecond)
+        assert ts.unit == "us"
         assert ts == ts1
         ts = ts.replace(nanosecond=ts2.nanosecond)
+        assert ts.unit == "ns"
         assert ts == ts2