old_contents: describe('GZIP encoding', function() {
      var testrun;
  
      before(function(done) {
          this.run({
              collection: {
                  item: [{
                      request: 'http://postman-echo.com/gzip'
                  }]
              }
          }, function(err, results) {
              testrun = results;
              done(err);
          });
      });
  
      it('must have run the test script successfully', function() {
          expect(testrun).be.ok();
          expect(testrun.request.calledOnce).be.ok();
  
          expect(testrun.request.getCall(0).args[0]).to.be(null);
  
          var response = testrun.request.getCall(0).args[2];
          expect(response.code).to.eql(200);
          expect(response.json()).to.have.property('gzipped', true);
      });
  
      it('must have completed the run', function() {
          expect(testrun).be.ok();
          expect(testrun.done.calledOnce).be.ok();
          expect(testrun.done.getCall(0).args[0]).to.be(null);
          expect(testrun.start.calledOnce).be.ok();
      });
  });
  
new_contents: var expect = require('chai').expect;
  
  describe('GZIP encoding', function() {
      var testrun;
  
      before(function(done) {
          this.run({
              collection: {
                  item: [{
                      request: 'http://postman-echo.com/gzip'
                  }]
              }
          }, function(err, results) {
              testrun = results;
              done(err);
          });
      });
  
      it('should have run the test script successfully', function() {
          expect(testrun).to.be.ok;
          expect(testrun).to.nested.include({
              'request.calledOnce': true
          });
  
          expect(testrun.request.getCall(0).args[0]).to.be.null;
  
          var response = testrun.request.getCall(0).args[2];
          expect(response).to.have.property('code', 200);
          expect(response.json()).to.have.property('gzipped', true);
      });
  
      it('should have completed the run', function() {
          expect(testrun).to.be.ok;
          expect(testrun.done.getCall(0).args[0]).to.be.null;
          expect(testrun).to.nested.include({
              'done.calledOnce': true,
              'start.calledOnce': true
          });
      });
  });
  
subject: Update integration/sanity/gzip-encoding tests to chai