Simple Javascript testing

testing_helpers.js

var assert_equal = function(a, b) {
  if(a === b){
    return {passed: true};
  } else { 
    throw { message: ("Expected:\n\"" + a + "\"\nGot:\n\"" + b + "\""), passed: false}
;
  }
}

var indent = function(text) {
  return "  " + text.replace(/\n/g, "\n  ");
}

var it = function(name, code) {  
  var res = {passed: true}
  try {
    code();
  } catch(er) {
    res = er;
  }

  if(res.passed){
    console.log("\033[1;32mPassed: " + name + "\033[0m");
    return true;
  } else {
    console.log("\033[1;31mFailed: " + name + "\n\033[0m");
    console.log(indent(res.message));
    return false;
  }
}