Updated openstack/openstack
Project: openstack/tempest  061b1838389841b58310d5e88139b89cde72504f

Remove unnecessary setting from CredentialsTests

In CredentialsTests, ClosingHttp is not used.
And TempestConfigPrivate setting is duplicated between test classes.
This patch removes them for cleanup.

Change-Id: Ia909018c8e6a18c1e9e00f395a5447d881820269