Remove underscores when checking for valid extension key length

3 jobs for 320-extension-key-registration-rules-for-underscores-not-applied in 5 minutes and 25 seconds (queued for 1 second)
Status Job ID Name Coverage
  Test
passed #6994
test

00:01:41

 
  Build
passed #6995
build

00:01:54

 
  Layout
passed #6996
layout

00:01:49