gh-154892: Move regression test to ZoneInfoTest

Author: BHUVANSH855

Lib/test/test_zoneinfo/test_zoneinfo.py

@@ -316,6 +316,37 @@ def test_unambiguous(self):
                 self.assertEqual(dt.utcoffset(), offset.utcoffset, dt)
                 self.assertEqual(dt.dst(), offset.dst, dt)
 
+    def test_datetime_subclass_negative_components(self):
+        """Regression test for gh-154892.
+
+        Datetime subclasses may return -1 for time components. The C
+        accelerator should treat -1 as a valid PyLong_AsLong() result unless
+        an exception is set, matching the pure-Python implementation.
+        """
+        class MinusOneDateTime(datetime):
+            @property
+            def hour(self):
+                return -1
+
+            @property
+            def minute(self):
+                return -1
+
+            @property
+            def second(self):
+                return -1
+
+        zi = self.zone_from_key("UTC")
+        dt = MinusOneDateTime(2024, 1, 1, tzinfo=zi)
+
+        self.assertEqual(dt.utcoffset(), ZERO)
+        self.assertEqual(dt.dst(), ZERO)
+        self.assertEqual(dt.tzname(), "UTC")
+        self.assertEqual(
+            zi.fromutc(dt),
+            datetime(2024, 1, 1, tzinfo=zi),
+        )
+
     def test_folds_and_gaps(self):
         test_cases = []
         for key in self.zones():
@@ -499,37 +530,6 @@ def __add__(self, other):
                 self.assertEqual(dt_fromutc.fold, 1)
                 self.assertEqual(dt.fold, 0)
 
-    def test_datetime_subclass_negative_components(self):
-        """Regression test for gh-154892.
-
-        Datetime subclasses may return -1 for time components. The C
-        accelerator should treat -1 as a valid PyLong_AsLong() result unless
-        an exception is set, matching the pure-Python implementation.
-        """
-        class MinusOneDateTime(datetime):
-            @property
-            def hour(self):
-                return -1
-
-            @property
-            def minute(self):
-                return -1
-
-            @property
-            def second(self):
-                return -1
-
-        zi = self.zone_from_key("UTC")
-        dt = MinusOneDateTime(2024, 1, 1, tzinfo=zi)
-
-        self.assertEqual(dt.utcoffset(), ZERO)
-        self.assertEqual(dt.dst(), ZERO)
-        self.assertEqual(dt.tzname(), "UTC")
-        self.assertEqual(
-            zi.fromutc(dt),
-            datetime(2024, 1, 1, tzinfo=zi),
-        )
-
 
 class ZoneInfoDatetimeSubclassTest(DatetimeSubclassMixin, ZoneInfoTest):
     pass