#NEWLINE# def test_list_no_metadata_name( self ) : #NEWLINE# #INDENT# "\n        ``/VolumeDriver.List`` omits volumes that don't have a metadata field\n        for their name.\n        " #NEWLINE# d = self . flocker_client . create_dataset ( d . NODE_A , int ( DEFAULT_SIZE . to_Byte ( ) ) , metadata = { #NEWLINE# #INDENT# #NEWLINE# #UNINDENT# } ) #NEWLINE# d . addCallback ( ( lambda _ : self . assertResult ( b'POST' , b'/VolumeDriver.List' , { #NEWLINE# #INDENT# #NEWLINE# #UNINDENT# } , OK , { #NEWLINE# #INDENT# 'Err' : '' , #NEWLINE# 'Volumes' : [ ] , #NEWLINE# #UNINDENT# } ) ) ) #NEWLINE# return d