old_contents: define(['history'],
  function(history) {
  
    describe("websocket", function() {
      
      it('shoud export singleton instance', function() {
        expect(history).to.be.an('object');
      });
      
    });
    
    return { name: "test.history" }
  });
  
new_contents: define(['history'],
  function(history) {
  
    describe("history", function() {
      
      it('shoud export singleton instance', function() {
        expect(history).to.be.an('object');
      });
      
    });
    
    return { name: "test.history" }
  });
  
subject: Rename test suite.