#!/bin/bash
cat input.txt | (time node app.js) 2> time_test.txt > output.txt
sdiff output.txt expected.txt > diff.txt
echo "input" "output" "expected" | column -t
paste input.txt diff.txt | column -t
cat time_test.txt

Add second test-runner. Nicer output.
Add second test-runner. Nicer output.

Is only nice if one input row means one output row. So MMIND and others
where the input are multiple rows wouldn’t look good here.

Also adds output.txt and diff.txt
