def METHOD_NAME(self, **kwargs):
    datalake_storage_account_name = kwargs.pop("datalake_storage_account_name")
    datalake_storage_account_key = kwargs.pop("datalake_storage_account_key")
    self._setUp(datalake_storage_account_name, datalake_storage_account_key)
    directory_name = self.get_resource_name(TEST_DIRECTORY_PREFIX)
    # Create a directory to put the file under that
    directory_client = self.dsc.get_directory_client(self.file_system_name, directory_name)
    directory_client.create_directory()
    file_client = directory_client.get_file_client('filename')
    file_client.create_file()
    data = LargeStream(LARGEST_BLOCK_SIZE)
    # Act
    response = file_client.append_data(data, 0, LARGEST_BLOCK_SIZE)
    assert response is not None
    assert self.payload_dropping_policy.append_counter == 1
    assert self.payload_dropping_policy.append_sizes[0] == LARGEST_BLOCK_SIZE