Erro Log:

> pytest_assert(isinstance(notif, STRING_TYPE), "Component {}: Firmware update notification appears to be incorrect from image {}".format(i, image))
E Failed: Component 0: Firmware update notification appears to be incorrect from image current

Refer to API get_firmware_update_notification header, shall return
'None' instead of None.

"""
Retrieves a notification on what should be done in order to complete
the component firmware update

Args:
    image_path: A string, path to firmware image

Returns:
    A string containing the component firmware update notification if required.
    By default 'None' value will be used, which indicates that no actions are required
"""

…ication_output_to_string

…ication_output_to_string