This is needed short term to allow the test to pass when running on
Python 3.11 and later and avoid errors like
```
<stdin>:44:1: note: non-matching line after previous match is here
<string>:1: DeprecationWarning: 'pipes' is deprecated and slated for removal in Python 3.13
^
```
Long term we want to replace uses of the obsolete `pipes.quotes`
function with `shlex.quotes`.
Addresses rdar://109664710
1aaaef91cc