Fix GrTAllocator tests

Change-Id: I5bf9470a3d7822ea1edee7abf693037322e5d4e6
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/303265
Commit-Queue: Michael Ludwig <michaelludwig@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>
Auto-Submit: Michael Ludwig <michaelludwig@google.com>
Reviewed-by: Robert Phillips <robertphillips@google.com>
2 files changed