[PATCH] test: Port atomicity test to Python

[David Bremner]

Austin Clements <aclements at csail.mit.edu> writes:

> Previously, this was implemented using a horrible GDB script (because
> there is no such thing as a non-horrible GDB script).  This GDB script
> often broke with newer versions of GDB for mysterious reasons.  Port
> the test script to GDB's Python API, which makes the code much cleaner
> and, hopefully, more stable.

pushed, 

d