old_contents: 
  var hello = require('..');
  var path = require('path');
  var fs = require('fs');
  var ajgenesis = require('ajgenesis');
  
  exports['Install module'] = function (test) {
      test.async();
      
      var cwd = process.cwd();
      
      process.chdir(__dirname);
      
      hello.install(ajgenesis, function (err, data) {
          test.ok(!err);
          fs.existsSync('ajgenesis');
          fs.existsSync(path.join('ajgenesis', 'modules'));
          fs.existsSync(path.join('ajgenesis', 'modules', 'model'));
          fs.existsSync(path.join('ajgenesis', 'modules', 'model', 'set.js'));
          fs.existsSync(path.join('ajgenesis', 'modules', 'model', 'remove.js'));
          process.chdir(cwd);
          test.done();
      });
  }
new_contents: 
  var hello = require('..');
  var path = require('path');
  var fs = require('fs');
  var ajgenesis = require('ajgenesis');
  
  exports['Install module'] = function (test) {
      test.async();
      
      var cwd = process.cwd();
      
      process.chdir(__dirname);
      
      hello.install(ajgenesis, function (err, data) {
          test.ok(!err);
          test.ok(fs.existsSync('ajgenesis'));
          test.ok(fs.existsSync(path.join('ajgenesis', 'modules')));
          test.ok(fs.existsSync(path.join('ajgenesis', 'modules', 'model')));
          test.ok(fs.existsSync(path.join('ajgenesis', 'modules', 'model', 'set.js')));
          test.ok(fs.existsSync(path.join('ajgenesis', 'modules', 'model', 'remove.js')));
          process.chdir(cwd);
          test.done();
      });
  }
subject: fix install test