Reenabling test now that the renames on the schedules table are completed (#23388)

* Reenabling this since the renames on the schedules table are completed

* Reverting regex change that caused migration to be generated for userprofile

common/djangoapps/student/models.py

@@ -503,7 +503,7 @@ class UserProfile(models.Model):
     allow_certificate = models.BooleanField(default=1)
     bio = models.CharField(blank=True, null=True, max_length=3000, db_index=False)
     profile_image_uploaded_at = models.DateTimeField(null=True, blank=True)
-    phone_regex = RegexValidator(regex=r'^\+?\d*$', message="Phone number can only contain numbers.")
+    phone_regex = RegexValidator(regex=r'^\+?1?\d*$', message="Phone number can only contain numbers.")
     phone_number = models.CharField(validators=[phone_regex], blank=True, null=True, max_length=50)
 
     @property

common/djangoapps/util/tests/test_db.py

@@ -196,9 +196,6 @@ class MigrationTests(TestCase):
     """
     Tests for migrations.
     """
-    @unittest.skip(
-        "Need to skip as part of renaming a field in schedules app. This will be unskipped in DE-1825."
-    )
     @override_settings(MIGRATION_MODULES={})
     def test_migrations_are_in_sync(self):
         """