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

Revert of Fix file naming issue causing page_run_end_to_end tests to never run (at least when run locally usi… (patchset #2 id:20001 of https://codereview.chromium.org/805593002/)

Reason for revert:
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/builds/51555

Original issue's description:
> 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}

TBR=nednguyen@google.com,chrishenry@google.com
NOTREECHECKS=true
NOTRY=true
BUG=440101
Committed: https://crrev.com/31c73158c92164fc92d068f58e55306292130f68
Cr-Commit-Position: refs/heads/master@{#308313}

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

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