FARRAGO: Fix test-wrapper generator for Windows back-slashes.
FARRAGO: Fix test-wrapper generator for Windows back-slashes.

[git-p4: depot-paths = "//open/dt/dev/": change = 4216]

LucidDB/luciddb,LucidDB/luciddb,LucidDB/luciddb,LucidDB/luciddb,LucidDB/luciddb,LucidDB/luciddb,LucidDB/luciddb,LucidDB/luciddb,LucidDB/luciddb