Refs #34547 -- Removed DatabaseOperations.field_cast_sql() per deprecation timeline.

tests/backends/base/test_operations.py

@@ -1,12 +1,10 @@
 import decimal
-from unittest import mock
 
 from django.core.management.color import no_style
 from django.db import NotSupportedError, connection, transaction
 from django.db.backends.base.operations import BaseDatabaseOperations
 from django.db.models import DurationField
 from django.db.models.expressions import Col
-from django.db.models.lookups import Exact
 from django.test import (
     SimpleTestCase,
     TestCase,
@@ -15,7 +13,6 @@ from django.test import (
     skipIfDBFeature,
 )
 from django.utils import timezone
-from django.utils.deprecation import RemovedInDjango60Warning
 
 from ..models import Author, Book
 
@@ -224,25 +221,3 @@ class SqlFlushTests(TransactionTestCase):
                 self.assertEqual(author.pk, 1)
                 book = Book.objects.create(author=author)
                 self.assertEqual(book.pk, 1)
-
-
-class DeprecationTests(TestCase):
-    def test_field_cast_sql_warning(self):
-        base_ops = BaseDatabaseOperations(connection=connection)
-        msg = (
-            "DatabaseOperations.field_cast_sql() is deprecated use "
-            "DatabaseOperations.lookup_cast() instead."
-        )
-        with self.assertWarnsMessage(RemovedInDjango60Warning, msg) as ctx:
-            base_ops.field_cast_sql("integer", "IntegerField")
-        self.assertEqual(ctx.filename, __file__)
-
-    def test_field_cast_sql_usage_warning(self):
-        compiler = Author.objects.all().query.get_compiler(connection.alias)
-        msg = (
-            "The usage of DatabaseOperations.field_cast_sql() is deprecated. Implement "
-            "DatabaseOperations.lookup_cast() instead."
-        )
-        with mock.patch.object(connection.ops.__class__, "field_cast_sql"):
-            with self.assertRaisesMessage(RemovedInDjango60Warning, msg):
-                Exact("name", "book__author__name").as_sql(compiler, connection)