Move test from timezone to timestamp tests

Parametrize the unit test

Author: jonwiggins

pandas/tests/scalar/timestamp/test_timestamp.py

@@ -452,6 +452,33 @@ def test_hash_equivalent(self):
         stamp = Timestamp(datetime(2011, 1, 1))
         assert d[stamp] == 5
 
+    @pytest.mark.parametrize(
+        "timezone, year, month, day, hour",
+        [["America/Chicago", 2013, 11, 3, 1], ["America/Santiago", 2021, 4, 3, 23]],
+    )
+    def test_hash_timestamp_with_fold(self, timezone, year, month, day, hour):
+        # see gh-33931
+        test_timezone = gettz(timezone)
+        transition_1 = Timestamp(
+            year=year,
+            month=month,
+            day=day,
+            hour=hour,
+            minute=0,
+            fold=0,
+            tzinfo=test_timezone,
+        )
+        transition_2 = Timestamp(
+            year=year,
+            month=month,
+            day=day,
+            hour=hour,
+            minute=0,
+            fold=1,
+            tzinfo=test_timezone,
+        )
+        assert hash(transition_1) == hash(transition_2)
+
     def test_tz_conversion_freq(self, tz_naive_fixture):
         # GH25241
         with tm.assert_produces_warning(FutureWarning, match="freq"):

pandas/tests/tslibs/test_timezones.py

@@ -166,24 +166,3 @@ def test_maybe_get_tz_offset_only():
 
     tz = timezones.maybe_get_tz("UTC-02:45")
     assert tz == timezone(-timedelta(hours=2, minutes=45))
-
-
-def test_hash_timestamp_with_fold():
-    # see gh-33931
-    america_chicago = dateutil.tz.gettz("America/Chicago")
-    transition_1 = Timestamp(
-        year=2013, month=11, day=3, hour=1, minute=0, tzinfo=america_chicago
-    )
-    transition_2 = Timestamp(
-        year=2013, month=11, day=3, hour=1, minute=0, fold=1, tzinfo=america_chicago
-    )
-    assert hash(transition_1) == hash(transition_2)
-
-    america_santiago = dateutil.tz.gettz("America/Santiago")
-    transition_3 = Timestamp(
-        year=2021, month=4, day=3, hour=23, minute=0, tz=america_santiago
-    )
-    transition_4 = Timestamp(
-        year=2021, month=4, day=3, hour=23, minute=0, fold=1, tz=america_santiago
-    )
-    assert hash(transition_3) == hash(transition_4)