Fix broken test_test on macOS.
Fix broken test_test on macOS.

"true" is not /bin/true there, it's /usr/bin/true.

PiperOrigin-RevId: 154280112

spxtr/bazel,aehlig/bazel,dslomov/bazel-windows,perezd/bazel,davidzchen/bazel,meteorcloudy/bazel,bazelbuild/bazel,dropbox/bazel,davidzchen/bazel,safarmer/bazel,aehlig/bazel,juhalindfors/bazel-patches,juhalindfors/bazel-patches,akira-baruah/bazel,snnn/bazel,juhalindfors/bazel-patches,cushon/bazel,ulfjack/bazel,variac/bazel,davidzchen/bazel,katre/bazel,davidzchen/bazel,werkt/bazel,bazelbuild/bazel,dslomov/bazel-windows,juhalindfors/bazel-patches,twitter-forks/bazel,werkt/bazel,katre/bazel,dslomov/bazel,cushon/bazel,damienmg/bazel,dslomov/bazel,akira-baruah/bazel,aehlig/bazel,snnn/bazel,perezd/bazel,werkt/bazel,akira-baruah/bazel,twitter-forks/bazel,bazelbuild/bazel,bazelbuild/bazel,dropbox/bazel,meteorcloudy/bazel,bazelbuild/bazel,dropbox/bazel,variac/bazel,perezd/bazel,dslomov/bazel-windows,spxtr/bazel,twitter-forks/bazel,akira-baruah/bazel,juhalindfors/bazel-patches,aehlig/bazel,twitter-forks/bazel,ulfjack/bazel,dslomov/bazel-windows,twitter-forks/bazel,ButterflyNetwork/bazel,aehlig/bazel,ulfjack/bazel,twitter-forks/bazel,safarmer/bazel,davidzchen/bazel,variac/bazel,ButterflyNetwork/bazel,akira-baruah/bazel,katre/bazel,damienmg/bazel,damienmg/bazel,ulfjack/bazel,snnn/bazel,twitter-forks/bazel,meteorcloudy/bazel,dslomov/bazel,perezd/bazel,spxtr/bazel,safarmer/bazel,dropbox/bazel,spxtr/bazel,variac/bazel,aehlig/bazel,snnn/bazel,safarmer/bazel,safarmer/bazel,meteorcloudy/bazel,variac/bazel,werkt/bazel,ulfjack/bazel,katre/bazel,ButterflyNetwork/bazel,snnn/bazel,meteorcloudy/bazel,ulfjack/bazel,ulfjack/bazel,ButterflyNetwork/bazel,meteorcloudy/bazel,damienmg/bazel,perezd/bazel,snnn/bazel,ButterflyNetwork/bazel,safarmer/bazel,dslomov/bazel,perezd/bazel,damienmg/bazel,dropbox/bazel,variac/bazel,werkt/bazel,cushon/bazel,perezd/bazel,dslomov/bazel,meteorcloudy/bazel,bazelbuild/bazel,damienmg/bazel,variac/bazel,spxtr/bazel,katre/bazel,cushon/bazel,katre/bazel,snnn/bazel,dslomov/bazel-windows,aehlig/bazel,juhalindfors/bazel-patches,cushon/bazel,spxtr/bazel,dslomov/bazel,davidzchen/bazel,akira-baruah/bazel,dslomov/bazel,damienmg/bazel,ButterflyNetwork/bazel,dropbox/bazel,dslomov/bazel-windows,werkt/bazel,spxtr/bazel,juhalindfors/bazel-patches,davidzchen/bazel,cushon/bazel