// go1.5.3 example output: // GOPATH=`pwd`/fixtures go test --coverprofile=log.out buildtestfail // # buildtestfail // fixtures/src/buildtestfail/sample_test.go:14: undefined: IT_SHOULD_BE_BUILD_FAILED // FAIL buildtestfail [build failed] // echo $? // 2 package pkg import "testing" func TestSample(t *testing.T) { IT_SHOULD_BE_BUILD_FAILED }