Breaking isn't always desirable, as there are many tests that intentionally trigger ICEs, which are caught by a EXPECT_DEATH().
On Linux the break also performs IO, which will likely cause problems in Chromium's sandboxed environment.
Change-Id: Ic2e1f5d13c9e986c066eaf364ffa5759c7299f6a
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/81103
Reviewed-by: Antonio Maiorano <amaiorano@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: Ben Clayton <bclayton@google.com>