update tests/__init__.py to verify openssl version
update tests/__init__.py to verify openssl version

keystone uses `openssl cms` which does not exist before openssl 1.0.0,
older systems and versions of OS X ship with 0.9.8

Change-Id: I30d58e8d60796536d5d2ed632d32674f216647c3

cbrucks/Federated_Keystone,rajalokan/keystone,cloudbau/keystone,derekchiang/keystone,promptworks/keystone,reeshupatel/demo,jonnary/keystone,ajayaa/keystone,rodrigods/keystone,vivekdhayaal/keystone,rushiagr/keystone,rushiagr/keystone,roopali8/keystone,rodrigods/keystone,nuxeh/keystone,dstanek/keystone,rickerc/keystone_audit,cbrucks/Federated_Keystone,jonnary/keystone,citrix-openstack-build/keystone,ging/keystone,UTSA-ICS/keystone-kerberos,townbull/keystone-dtrust,openstack/keystone,vivekdhayaal/keystone,promptworks/keystone,ajayaa/keystone,dims/keystone,kwss/keystone,JioCloud/keystone,MaheshIBM/keystone,klmitch/keystone,blueboxgroup/keystone,citrix-openstack-build/keystone,nuxeh/keystone,rickerc/keystone_audit,rickerc/keystone_audit,reeshupatel/demo,ilay09/keystone,idjaw/keystone,idjaw/keystone,ntt-sic/keystone,ilay09/keystone,takeshineshiro/keystone,maestro-hybrid-cloud/keystone,townbull/keystone-dtrust,dsiddharth/access-keys,cloudbau/keystone,derekchiang/keystone,cernops/keystone,JioCloud/keystone,nuxeh/keystone,dims/keystone,openstack/keystone,jamielennox/keystone,kwss/keystone,kwss/keystone,ilay09/keystone,mahak/keystone,cloudbau/keystone,mahak/keystone,himanshu-setia/keystone,mahak/keystone,MaheshIBM/keystone,jumpstarter-io/keystone,ging/keystone,cbrucks/Federated_Keystone,takeshineshiro/keystone,roopali8/keystone,jumpstarter-io/keystone,promptworks/keystone,rajalokan/keystone,rushiagr/keystone,ntt-sic/keystone,rajalokan/keystone,openstack/keystone,ntt-sic/keystone,blueboxgroup/keystone,citrix-openstack-build/keystone,townbull/keystone-dtrust,jamielennox/keystone,reeshupatel/demo,klmitch/keystone,dstanek/keystone,UTSA-ICS/keystone-kerberos,dsiddharth/access-keys,vivekdhayaal/keystone,jumpstarter-io/keystone,derekchiang/keystone,cernops/keystone,dstanek/keystone,dsiddharth/access-keys,himanshu-setia/keystone,maestro-hybrid-cloud/keystone