Merge pull request #870 from jodh-intel/fix-ut-failure

CI: Specify tmpdir for running golang unit tests

.ci/go-test.sh

@@ -26,9 +26,6 @@ timeout_value=${KATA_GO_TEST_TIMEOUT:-30s}
 # enabling the flag depending on the arch.
 [ "$(go env GOARCH)" = "amd64" ] && race="-race"
 
-# KATA_GO_TEST_FLAGS can be set to change the flags passed to "go test".
-go_test_flags=${KATA_GO_TEST_FLAGS:-"-v $race -timeout $timeout_value"}
-
 # Notes:
 #
 # - The vendor filtering is required for versions of go older than 1.9.
@@ -249,13 +246,21 @@ main()
 
 	[ -z "$test_packages" ] && echo "INFO: no golang code to test" && exit 0
 
+	# directory to use for temporary files
+	golang_tmp=$(mktemp -d)
+
+	# KATA_GO_TEST_FLAGS can be set to change the flags passed to "go test".
+	go_test_flags=${KATA_GO_TEST_FLAGS:-"-v $race -timeout $timeout_value -outputdir \"${golang_tmp}\""}
+
 	if [ "$1" = "html-coverage" ]; then
 		test_html_coverage
 	elif [ "$run_coverage" = yes ]; then
 		test_coverage
 	else
 		test_local
 	fi
+
+	[ -d "${golang_tmp}" ] && [ "${golang_tmp}" != "/" ] && rm -rf "${golang_tmp}"
 }
 
 main "$@"