Cherry-pick from 6a1a74f, 16f7be0 - Add scope to metric assertions in tests#121

Cirilla-zmh wants to merge 2 commits intoalibaba:mainalibaba/loongsuite-python-agent:mainfrom

Cirilla-zmh:minghui/fix_metrics_scopeCirilla-zmh/loongsuite-python-agent:minghui/fix_metrics_scopeCopy head branch name to clipboard