Fix tests with mock timezone (#7911)

terencehonles · web-flow · commit a0a2c5cb370f · 2021-04-16T17:27:22.000+01:00
After django/django#13877, Django no longer checks for `hasattr(timezone, 'localize')` and instead does an inheritance check.
diff --git a/tests/test_fields.py b/tests/test_fields.py
@@ -1485,7 +1485,7 @@ class TestNaiveDayLightSavingTimeTimeZoneDateTimeField(FieldValues):
     }
     outputs = {}
 
-    class MockTimezone:
+    class MockTimezone(pytz.BaseTzInfo):
         @staticmethod
         def localize(value, is_dst):
             raise pytz.InvalidTimeError()

Original file line number	Diff line number	Diff line change
`@@ -1485,7 +1485,7 @@ class TestNaiveDayLightSavingTimeTimeZoneDateTimeField(FieldValues):`
`1485`	`1485`	`}`
`1486`	`1486`	`outputs = {}`
`1487`	`1487`
`1488`		`- class MockTimezone:`
	`1488`	`+ class MockTimezone(pytz.BaseTzInfo):`
`1489`	`1489`	`@staticmethod`
`1490`	`1490`	`def localize(value, is_dst):`
`1491`	`1491`	`raise pytz.InvalidTimeError()`