On Windows, HOMEPATH is not necessarily `\Users\username`, so the test
was made to match more loosely.
Wait-Event's timeout varied more than expected, so the test's range was
increased.
- Pester source code moved to `test/Pester`, deleted `ext-src`.
- Pester tests (.ps1 files) moved to `test/powershell`
- xUnit tests (.cs files) moved to `test/csharp`
- Third-party script test moved to `test/shebang`