add test for benchmark with two template parameters
add test for benchmark with two template parameters

bowlofstew/benchmark,quantumsteve/benchmark,chandlerc/benchmark,chandlerc/benchmark,bowlofstew/benchmark,gezidan/benchmark,chemhack/benchmark,everbase/benchmark,nickhutchinson/benchmark-cxx03,quantumsteve/benchmark,nickhutchinson/benchmark,bowlofstew/benchmark,nickhutchinson/benchmark-cxx03,ntx-/benchmark,Photonomie/benchmark,fuchsia-mirror/third_party-benchmark,Photonomie/benchmark,LepelTsmok/benchmark,chandlerc/benchmark,chemhack/benchmark,LepelTsmok/benchmark,gezidan/benchmark,gezidan/benchmark,google/benchmark,codygray/benchmark,subailong/benchmark,bowlofstew/benchmark,nickhutchinson/benchmark-cxx03,LepelTsmok/benchmark,eliben/benchmark,LepelTsmok/benchmark,disconnect3d/benchmark,eliben/benchmark,subailong/benchmark,nickhutchinson/benchmark-cxx03,efcs/benchmark,efcs/benchmark,fuchsia-mirror/third_party-benchmark,mockingbirdnest/benchmark,chemhack/benchmark,gezidan/benchmark,google/benchmark,mockingbirdnest/benchmark,nickhutchinson/benchmark,fuchsia-mirror/third_party-benchmark,ntx-/benchmark,everbase/benchmark,ntx-/benchmark,xlqian/benchmark,subailong/benchmark,xlqian/benchmark,Photonomie/benchmark,google/benchmark,nickhutchinson/benchmark,mockingbirdnest/benchmark,subailong/benchmark,ntx-/benchmark,Photonomie/benchmark,nickhutchinson/benchmark,quantumsteve/benchmark,eliben/benchmark,disconnect3d/benchmark,everbase/benchmark,efcs/benchmark,disconnect3d/benchmark,xlqian/benchmark,codygray/benchmark,efcs/benchmark,codygray/benchmark,chemhack/benchmark,disconnect3d/benchmark,mockingbirdnest/benchmark,eliben/benchmark,everbase/benchmark,codygray/benchmark,fuchsia-mirror/third_party-benchmark,xlqian/benchmark,quantumsteve/benchmark,chandlerc/benchmark