added blocked-by-bug 905136 to test check_org_id
920551: Test to set invalid proxy and restart gui to check for traceback
920091: Test to unregister sub-man when GUI is open to check for traceback
refactoring old tests that had settextvalue, removed before and after group
added blocked by bug 927340 to test_proxy_with_blank_credentials
added a comment (could change rhsm log to ldtpd log if need be) and guiexists case for 920551