Skip testdata dir when running linter (#956)
Skip testdata dir when running linter (#956)


rkpagadala/mixer,istio/old_mixer_repo,rkpagadala/mixer,rkpagadala/mixer,ZackButcher/mixer,guptasu/mixer,istio/old_mixer_repo,guptasu/mixer,ZackButcher/mixer,ZackButcher/mixer,istio/old_mixer_repo,guptasu/mixer