testutils: no SSL verification for Python-2.7.9

• FIX Switches off SSL verification when running the test suite. Useful for Python-2.7.9 where self-signed SSL certificates (that are usually used on development installations) would cause apparent test failures. (closes #2868)

Signed-off-by: Tibor Simko <tibor.simko@cern.ch>
Reviewed-by: Jiri Kuncar <jiri.kuncar@cern.ch>