https://k8s-gubernator.appspot.com/build/istio-prow/pull/istio_istio/3348/istio-presubmit/4927/

W0214 02:44:16.863] + cd ../istio
W0214 02:44:16.863] + cd vendor/istio.io/fortio
W0214 02:44:16.863] + make install
W0214 02:44:16.863] make: *** No rule to make target 'install'. Stop.
W0214 02:44:16.864] + cd ../../..
W0214 02:44:16.864] + TESTSPATH=tests/integration/example/tests
W0214 02:44:16.864] + TOTAL_FAILURE=0
W0214 02:44:16.864] + SUMMARY='Tests Summary'
W0214 02:44:16.865] + TESTARG=(-envoy_binary ${ENVOY_BINARY} -envoy_start_script ${START_ENVOY} -mixer_binary ${MIXER_BINARY} -fortio_binary fortio)
W0214 02:44:16.865] + go test -v ./tests/integration/example/tests/sample1 -envoy_binary /home/bootstrap/go/out/linux_amd64/release/envoy -envoy_start_script /home/bootstrap/go/src/istio.io/proxy/src/envoy/mixer/start_envoy -mixer_binary /home/bootstrap/go/out/linux_amd64/release/mixs -fortio_binary fortio
W0214 02:44:21.808] 2018/02/14 02:44:21 Bringing up app_only_env
W0214 02:44:21.809] 2018/02/14 02:44:21 /tmp/app_only_env332801263
W0214 02:44:21.809] 2018/02/14 02:44:21 Failed to setup component: my_fortio_server
W0214 02:44:21.809] 2018/02/14 02:44:21 Failed to setup framework: exec: "fortio": executable file not found in $PATH

(only applies to #3348 so far)