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For XCTests there will be more than 2 arguments, therefore
we need to take second argument, not the last one.

Change-Id: Ie3bcac032d49e5e75812dcf7bd248e550c73a244
Reviewed-on: https://chromium-review.googlesource.com/c/1317856Reviewed-by: Yuke Liao <liaoyuke@chromium.org>
Commit-Queue: Artem Titarenko <artit@chromium.org>
Cr-Commit-Position: refs/heads/master@{#606075}