def delete_interface(self, entity_name, interface_id):
"""Delete host network interface.
:param entity_name: The host name to delete the network interface from
:param interface_id: The network interface identifier.
"""
view = self.navigate_to(self, 'Edit', entity_name=entity_name)
delete_button = view.interfaces.interfaces_list.row(
identifier=interface_id)['Actions'].widget.delete
if delete_button.disabled:
raise DisabledWidgetError('Interface Delete button is disabled')
delete_button.click()
view.submit.click()
view.flash.assert_no_error()
view.flash.dismiss()