* Capture the default thumbnail.
* Scroll down to first card.
* Scroll down to more button.

Bug: 761813
Change-Id: I168833ee7abb3519504eb6ec93465257ecaffc2c
Reviewed-on: https://chromium-review.googlesource.com/681476
Commit-Queue: Michael van Ouwerkerk <mvanouwerkerk@chromium.org>
Reviewed-by: Bernhard Bauer <bauerb@chromium.org>
Cr-Commit-Position: refs/heads/master@{#504330}