Fixed flaky test

Author: KiraElric007

test/library/run-options.test.js

@@ -203,7 +203,9 @@ describe('Newman run options', function () {
             }, function (err, summary) {
                 expect(err).to.be.null;
                 expect(summary.run.failures).to.be.an('array').that.has.lengthOf(1);
-                expect(summary.run.failures[0].error.message).to.equal('ESOCKETTIMEDOUT');
+                // The timeout can happen before or after the connection has been established. Thus testing
+                // for both 'ETIMEDOUT' and 'ESOCKETTIMEDOUT'
+                expect(summary.run.failures[0].error.message).to.be.oneOf(['ETIMEDOUT', 'ESOCKETTIMEDOUT']);
                 done();
             });
         });