Add two failing tests for LayoutNG

These are failing on automatic wpt imports which trigger
linux_layout_tests_layout_ng:
https://chromium-review.googlesource.com/c/chromium/src/+/851493

Example results:
https://storage.googleapis.com/chromium-layout-test-archives/linux_layout_tests_layout_ng/2797/layout-test-results/results.html

(The externa/wpt failures are from new files in that import.)

Bug: 591099
Cq-Include-Trybots: master.tryserver.chromium.linux:linux_layout_tests_layout_ng
Change-Id: I3e6253793a0a00ab9c754f068a36ac5f05ca49c8
No-Try: true
Reviewed-on: https://chromium-review.googlesource.com/852219
Reviewed-by: Morten Stenshorne <mstensho@chromium.org>
Commit-Queue: Morten Stenshorne <mstensho@chromium.org>
Cr-Commit-Position: refs/heads/master@{#527265}
1 file changed