Refactor deprecated unittest aliases for Python 3.11 compatibility.

tests/test_fields.py

@@ -67,7 +67,7 @@ class AttributesFieldsTestCase(TestCase):
     def test_attributes_form_field(self):
         field = AttributesFormField()
         # to_python method
-        self.assertEquals(field.to_python({"test": True}), {"test": True})
+        self.assertEqual(field.to_python({"test": True}), {"test": True})
         with self.assertRaises(ValidationError):
             field.to_python("no json")
         # validate method
@@ -79,28 +79,28 @@ def test_attributes_form_field(self):
     def test_attributes_field(self):
         field = AttributesField(null=True, default={"my": "default"})
         # formfield method
-        self.assertEquals(field.formfield().initial, {"my": "default"})
+        self.assertEqual(field.formfield().initial, {"my": "default"})
         # from_db_value method
         self.assertIsNone(field.from_db_value(None))
-        self.assertEquals(
+        self.assertEqual(
             field.from_db_value('{"test": "test"}'),
             {"test": "test"},
         )
-        self.assertEquals(
+        self.assertEqual(
             field.from_db_value({"test": "test"}),
             {"test": "test"},
         )
         # get_db_prep_value method
         self.assertIsNone(field.get_db_prep_value(None))
         field.null = False
         field.blank = True
-        self.assertEquals(field.get_db_prep_value(None), "")
+        self.assertEqual(field.get_db_prep_value(None), "")
         # get_default method
         field = AttributesField(default='{"my": "default"}')
         field.default = NOT_PROVIDED
         field.get_default()
         # get_internal_type method
-        self.assertEquals(field.get_internal_type(), "TextField")
+        self.assertEqual(field.get_internal_type(), "TextField")
         # validate method
         with self.assertRaises(ValidationError):
             field.validate(None, Noop)

tests/test_plugins.py

@@ -67,7 +67,7 @@ def test_plugin_form(self):
             warnings.simplefilter("ignore")
             response = self.client.post(request_url, data)
 
-        self.assertEquals(response.status_code, 200)
+        self.assertEqual(response.status_code, 200)
         self.assertContains(response, '<div class="success">')
 
         # test error for excluded keys