Build/Test Tools: Revert [47901].

This is not matching branches as desired.

Unrops desrosj, jorbin, ocean90, TimothyBlynJacobs.
Fixes #50307.
Built from https://develop.svn.wordpress.org/trunk@47905


git-svn-id: https://core.svn.wordpress.org/trunk@47679 1a063a9b-81f0-0310-95a4-ce76da25c4cd