Replace assertEquals() to fix tests with Python 3.12 (#332)

Author: mgorny

tests/test_managers.py

@@ -125,7 +125,7 @@ def test_create_resource_with_stream_uploads(self):
         with warnings.catch_warnings(record=True) as w:
             warnings.simplefilter('always')
             issue = self.redmine.issue.create(project_id=1, subject='Foo', uploads=[{'path': stream}])
-            self.assertEquals(len(w), 1)
+            self.assertEqual(len(w), 1)
             self.assertIs(w[0].category, exceptions.PerformanceWarning)
         self.assertEqual(issue.project_id, 1)
         self.assertEqual(issue.subject, 'Foo')
@@ -166,7 +166,7 @@ def test_update_resource_with_stream_uploads(self):
         with warnings.catch_warnings(record=True) as w:
             warnings.simplefilter('always')
             self.assertEqual(self.redmine.issue.update(1, subject='Bar', uploads=[{'path': stream}]), True)
-            self.assertEquals(len(w), 1)
+            self.assertEqual(len(w), 1)
             self.assertIs(w[0].category, exceptions.PerformanceWarning)
 
     def test_update_resource_returns_none(self):

tests/test_redmine.py

@@ -77,7 +77,7 @@ def test_successful_filestream_upload(self):
         with warnings.catch_warnings(record=True) as w:
             warnings.simplefilter('always')
             self.assertEqual(self.redmine.upload(StringIO(b'\xcf\x86oo'.decode('utf-8')))['token'], '456789')
-            self.assertEquals(len(w), 1)
+            self.assertEqual(len(w), 1)
             self.assertIs(w[0].category, exceptions.PerformanceWarning)
 
     @mock.patch('redminelib.open', mock.mock_open(), create=True)