Updated openstack/openstack
Project: openstack/heat  ee3116cdb2175cf11a763b21711433611bcc519f

Convert unicode to six.text_type in heat/tests

This patch converts unicode to six.text_type in heat/tests
for python 3.x compatibility.

Change-Id: I2e7553ee3486e03c6a9bc0c2a022f99d6298257b