old_contents: var assert = require('assert'),
      Lapidus = require('../index.js'),
      spawnSync = require('child_process').spawnSync,
      fs = require('fs');
  
  describe('MySQL', function () {
  
      it('connects to MySQL valid backends', function (done) {
          var output = spawnSync('node', ['index.js', '-c', './test/config/lapidus.json'], {timeout: 10000});
  
          console.log(output.stdout.toString());
          console.error(output.stderr.toString());
          assert.equal(output.status, 0);
  
          done();
      });
  });
  
new_contents: var assert = require('assert'),
      Lapidus = require('../index.js'),
      spawnSync = require('child_process').spawnSync,
      fs = require('fs');
  
  describe('MySQL', function () {
      var output;
  
      before(function(done) {
          output = spawnSync('node', ['index.js', '-c', './test/config/lapidus.json'], {timeout: 1000 });
          done();
      });
  
      it('connects to MySQL valid backends', function () {
          assert.equal(output.status, 0);
          assert.equal(output.stderr.toString(), '');
      });
  
      it('creates a lookup table of primary keys', function() {
          assert.notEqual(output.stdout.toString().indexOf('caching for fast lookups'), -1);
      });
  });
  
subject: Add tests for MySQL worker