implement-unit-testing-script

This is a CI-style build-and-test runner that inherently executes untrusted repository code via `pip install -r requirements.txt` and `unittest discover`. The primary security concerns are (1) supply-chain exposure from installing dependencies without pinning/verification (in this snippet), and (2) safety issues from using unquoted, user-derived $1 in rm/cp paths that could cause unintended filesystem deletion/copying if $1 is attacker-controlled. No direct indicators of hidden malware, backdoors, or exfiltration are evident in the provided code fragment, but risk remains moderate due to execution and installation boundaries.