Scripts shouldn't use `time.sleep`

[mithro]

Expected Behavior

Scripts shouldn't use time.sleep to wait for things.

Examples @

https://github.com/google/globalfoundries-pdk-libs-gf180mcu_fd_pr/blob/2e2eb4ad16e9f26ae80f7b0cad70dfd9a10da177/rules/klayout/lvs/testing/run_sc_regression.py#L210

https://github.com/google/globalfoundries-pdk-libs-gf180mcu_fd_pr/blob/2e2eb4ad16e9f26ae80f7b0cad70dfd9a10da177/rules/klayout/lvs/testing/run_sc_regression.py#L223

Actual Behavior

Instead the script should check for what is being waited on. Examples could be;

• Checking if the output file exists.
• Check if a process has completed.
• Something else?

[atorkmabrains]

@mohanad0mohamed Could you please give this one a priority.