gecko-dev/devtools/docs/tests/xpcshell.md

# Automated tests: `xpcshell` tests

To run all of the xpcshell tests:

```bash
./mach xpcshell-test --tag devtools
```

To run a specific xpcshell test:

```bash
./mach xpcshell-test devtools/path/to/the/test_you_want_to_run.js
```