Updated openstack/openstack
Project: openstack/nova  eb9c321210d9dd9732cfe88f0b91055405f54764

Splits out retry filter unit tests

Breaks out the retry filter unit tests from the test_host_filters.py
file into their own test file.

Change-Id: I2e7e81bd374048d22e19b45d3d43e7762fe82332