Make sure to error on test

This works around set -e not working in this scenario.

test.sh

@@ -16,8 +16,7 @@ diff <(tail -n +$start AUTHORS | sort) <(tail -n +$start AUTHORS)
 ./test/test-bashfmt.sh
 ./test/test-headerfmt.sh
 go test
-echo running go vet	# since it doesn't output an ok message on pass
-go vet && echo PASS
+./test/test-govet.sh
 
 # do these longer tests only when running on ci
 if env | grep -q -e '^TRAVIS=true$' -e '^JENKINS_URL=' -e '^BUILD_TAG=jenkins'; then

test/test-govet.sh

@@ -0,0 +1,7 @@
+#!/bin/bash
+# check that go vet passes
+echo running test-govet.sh
+ROOT="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && cd .. && pwd )"	# dir!
+cd "${ROOT}"
+
+go vet && echo PASS || exit 1	# since it doesn't output an ok message on pass