def METHOD_NAME(self):
    collname_1 = 'test_collection_1'
    collname_2 = 'test_collection_2'
    rods_collname_1 = self.admin.session_collection + '/' + collname_1
    rods_collname_2 = rods_collname_1 + '/' + collname_2
    self.admin.assert_icommand(['imkdir', rods_collname_1])
    self.admin.assert_icommand(['imkdir', rods_collname_2])
    self.admin.assert_icommand(['irmdir', rods_collname_1], 'STDOUT_SINGLELINE', 'Collection is not empty')