refactor: Remove unused test method
refactor: Remove unused test method

This method was unused. Removing it from the test code.

Change-Id: I3c914a53839b4f5fafec841b9755c8981d4a5edc

mahak/keystone,rajalokan/keystone,ilay09/keystone,himanshu-setia/keystone,mahak/keystone,rajalokan/keystone,cernops/keystone,ilay09/keystone,klmitch/keystone,openstack/keystone,dims/keystone,dims/keystone,openstack/keystone,cernops/keystone,klmitch/keystone,rajalokan/keystone,mahak/keystone,himanshu-setia/keystone,ilay09/keystone,openstack/keystone