Setup System:

1. Use docker-compose to setup the TrainTicket system.


Failure Triggering Usage Steps:

1. Log in.
2. Input "Shanghai" in the start station and input "Suzhou" in the end station.
2. Select date and click [Search]. Remeber to select high-speed train.
4. After a few seconds, it will alert [error].

Failure Triggering Test Case:

There are two test cases in ts-ui-test, named [TestFlowKill] and [TestFlowOOM].
Just run [TestFlowKill] and it will do as failure triggering usage steps mentioned above.

Note:
Every time you run it, order service crashes.
Thus, you need to wait for the order service to restart if you want to run it one more time. 
Otherwise "Connection refused" will be printed in the terminal.