Add boto3 client mock

tests/test_s3_filer.py

@@ -9,6 +9,8 @@
 @pytest.fixture()
 def moto_boto():
     with mock_s3():
+        boto3.client('s3', endpoint_url="http://s3.amazonaws.com")
+
         client = boto3.resource('s3',endpoint_url="http://s3.amazonaws.com")
         client.create_bucket(Bucket='tesk')
         client.Bucket('tesk').put_object(Bucket='tesk', Key='folder/file.txt', Body='')
@@ -45,7 +47,6 @@ def test_check_if_bucket_exists(moto_boto, path, url, ftype, expected):
 # @patch('tesk_core.filer.os.makedirs')
 # @patch('builtins.open')
 # @patch('s3transfer.utils.OSUtils.rename_file')
-@patch("tesk_core.filer_s3.S3Transput.extract_endpoint", return_value="http://s3.amazonaws.com")
 @pytest.mark.parametrize("path, url, ftype,expected", [
         ("/home/user/filer_test/file.txt", "s3://tesk/folder/file.txt","FILE",0),
         ("/home/user/filer_test/file.txt", "s3://tesk/folder/file_new.txt","FILE",1),