There was some issue running your testcases. Try following the hint given below

It is taking forever to get assessment done. I passed all local test cases. Also I have received Build Timeout error. Please help.

If you are getting a build success and your code is stuck on the assessment tab while pushing. Please refer to this FAQ -

For the build timeout error we are fairly certain that your code is not passing our performance expectations. Patiently look again into your code and check what can be optimised. Make sure you are not looping than necessary.

Also refer to this FAQ hope it helps -

You can resubmit the code with minor changes. I faced similar situation and got a correct assessment after resubmit.

Closing this topic as there is no response since last 12 hours. Please feel free to create a new topic and post this question as a reference link in the description of the new topic.