extract static methods
extract static methods

the helper methods that were embedded in the test_wsgi test classes
really didn't need access to self, fully extract them out of the class
structure for simplicity.

Change-Id: I8f7c18419bce2e5a91c3a7045f3e6afb05ee79b3

openstack-infra/os-loganalyze,openstack-infra/os-loganalyze,openstack-infra/os-loganalyze