[Intel-gfx] [PATCH] drm/atomic: Fix bookkeeping with TEST_ONLY, v3.

[shuang.he at intel.com]

Tested-By: Intel Graphics QA PRTS (Patch Regression Test System Contact: shuang.he at intel.com)
Task id: 7289
-------------------------------------Summary-------------------------------------
Platform          Delta          drm-intel-nightly          Series Applied
ILK                 -2              255/255              253/255
SNB                                  248/248              248/248
IVB                                  281/281              281/281
BYT                                  234/234              234/234
HSW                                  317/317              317/317
-------------------------------------Detailed-------------------------------------
Platform  Test                                drm-intel-nightly          Series Applied
*ILK  igt at gem_fence_thrash@bo-write-verify-threaded-none      PASS(1)      NO_RESULT(1)
*ILK  igt at gem_persistent_relocs@forked-interruptible-faulting-reloc-thrashing      PASS(1)      DMESG_WARN(1)
Note: You need to pay more attention to line start with '*'