Double timeout for slow tests.
Double timeout for slow tests.

TBR=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/752733003

Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#25512}

UniversalFuture/moosh,UniversalFuture/moosh,UniversalFuture/moosh,UniversalFuture/moosh