Added rspec for ProxySession#tables function.
Added rspec for ProxySession#tables function.

kevin-klein/rubyrep,ManageIQ/rubyrep,rostchri/rubyrep,gtanzillo/rubyrep,cargoserver/rubyrep,andyjeffries/rubyrep,ManageIQ/rubyrep,gtanzillo/rubyrep,rubyrep/rubyrep,andyjeffries/rubyrep,riiid/rubyrep,ManageIQ/rubyrep,riiid/rubyrep,ncoders/rubyrep,rubyrep/rubyrep,gtanzillo/rubyrep,ncoders/rubyrep,ManageIQ/rubyrep,rostchri/rubyrep,rostchri/rubyrep,riiid/rubyrep,gtanzillo/rubyrep,kevin-klein/rubyrep,ncoders/rubyrep,cargoserver/rubyrep,kevin-klein/rubyrep,riiid/rubyrep