old_contents: define([
      './intern'
  ], function(intern) {
      intern.tunnel = 'NullTunnel';
      intern.tunnelOptions = {
          hostname: 'localhost',
          port: 4444
      };
  
      intern.environments = [{
          browserName: 'chrome'
      }];
  
      return intern;
  });
  
new_contents: define([
      './intern'
  ], function(intern) {
      intern.tunnel = 'NullTunnel';
      intern.tunnelOptions = {
          hostname: 'localhost',
          port: 4444
      };
  
      intern.environments = [{
          browserName: 'safari'
      }];
  
      return intern;
  });
  
subject: Test local start with safari webdriver