Build a Pomodoro Clock help

Tell us what’s happening:

When I run the script to test the user stories it keeps running forever and test cases remain stuck at 11/29.

You can find my code here https://codepen.io/Waerjak/pen/qgNdmK.

P.S Countdown Speed and initial conditions are defined like that for testing purposes.

Your code so far

Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.98 Safari/537.36.

Link to the challenge:
https://learn.freecodecamp.org/front-end-libraries/front-end-libraries-projects/build-a-pomodoro-clock/