add test script

Author: GrantBirki

script/test

@@ -0,0 +1,10 @@
+#! /usr/bin/env bash
+
+set -e
+
+# if the tparse binary is not found, don't use it
+if ! command -v tparse &> /dev/null; then
+  go test -v -cover ./...
+else
+  set -o pipefail && go test -json ./... | tparse -all -trimpath github.com/github/
+fi