[css-typed-om] Fix testhelper assert behaviour.

assert_* functions don't actually return a value, so in cases where
we are chaining together asserts with && (e.g. assert_equals(..) &&
assert_equals(..), we weren't actually checking the second assert.

Bug: 545318
Change-Id: Id3437d811ecb33e3301967760ada3901301d539c
Reviewed-on: https://chromium-review.googlesource.com/798090
Commit-Queue: Darren Shen <shend@chromium.org>
Reviewed-by: Eric Willigers <ericwilligers@chromium.org>
Cr-Commit-Position: refs/heads/master@{#520328}
1 file changed