Fix file naming issue causing page_run_end_to_end tests to never run (at least when run locally usi…

Fix file naming issue causing page_run_end_to_end tests to never run (at least when run locally using run_tests script).
Fix a failing test from this file.

Found this while fixing unit test for max_failures patch
(https://codereview.chromium.org/790673005/).

BUG=440101
Committed: https://crrev.com/c484a63e356fb1011b553b94612586d2084325d3
Cr-Commit-Position: refs/heads/master@{#308264}

[chrishenry, 2014-12-13 02:51:57]

chrishenry@google.com changed reviewers:
+ nednguyen@google.com

[nednguyen, 2014-12-13 07:00:32]

The CQ bit was checked by nednguyen@google.com

[nednguyen, 2014-12-13 07:00:33]

lgtm

[commit-bot: I haz the power, 2014-12-13 07:01:44]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/805593002/20001

[commit-bot: I haz the power, 2014-12-13 08:16:35]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2014-12-13 08:17:24]

Patchset 2 (id:??) landed as
https://crrev.com/c484a63e356fb1011b553b94612586d2084325d3
Cr-Commit-Position: refs/heads/master@{#308264}

[Andre, 2014-12-15 04:54:50]

A revert of this CL (patchset #2 id:20001) has been created in
https://codereview.chromium.org/802243002/ by andresantoso@chromium.org.

The reason for reverting is: Some of the newly enabled tests fail on the bots.
For example,
https://build.chromium.org/p/chromium.win/builders/Vista%20Tests%20%281%29/bu...
.