#NEWLINE# def test_instance_groups_with_ebs_config_missing_size( self ) : #NEWLINE# #INDENT# cmd = ( ( self . prefix + '--ami-version 3.1.0 --instance-groups ' ) + CONSTANTS . INSTANCE_GROUPS_WITH_EBS_VOLUME_MISSING_SIZE_ARG ) #NEWLINE# stderr = self . run_cmd ( cmd , 255 ) [ 1 ] #NEWLINE# self . assert_error_message_has_field_name ( stderr , 'SizeInGB' )