Increase test timeout to 45s.
Increase test timeout to 45s.

This is so that long running tests don't flakily bump into the
timeout every now and then.

BUG=none
TEST=none
TBR=phajdan.jr

Review URL: http://codereview.chromium.org/7595008

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@95860 0039d316-1c4b-4281-b951-d872f2087c98

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