text: // Useful for testing SIGINT handler
  // use env.big_number to tune iterations so that you have time to ctrl+c
  
  describe('a load of tests', function(){
    it('should fail the first test', function(){
      throw new Error('this should appear in the summary');
    })
  
    var iterations = (process.env.big_number || 1e7);
    function work() {
      var a = 0;
      for(var i=0; i<iterations; ++i) {
        a += i;
      }
    }
  
    function addTest() {
      it('should pass test ' + i, function(){
        work();
      })
    }
  
    for(var i=0; i<500; ++i) {
      addTest();
    }
  
  })