Auto merge of #13091 - zack1030:issue-12792, r=shinglyu

Create ./mach test-perf command

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- [ ] `./mach build -d` does not report any errors
- [ ] `./mach test-tidy` does not report any errors
- [X] These changes fix #12792 (github issue number if applicable).

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- [ ] There are tests for these changes OR
- [X] These changes do not require tests because it is low-risk

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in **testing_commands.py**, I linked the new command to **test_perf.sh**
in **test_perf.sh**, it prepares tp5n.zip and virtual environment
then runs **test_all.sh**

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