Revert of Fix file naming issue causing page_run_end_to_end tests to never run...

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

Review URL: https://codereview.chromium.org/802243002

Cr-Commit-Position: refs/heads/master@{#308313}

tools/telemetry/telemetry/page/page_run_end_to_end_unittest.py → tools/telemetry/telemetry/page/page_run_end_to_end_tests.py

@@ -307,8 +307,8 @@ class PageRunEndToEndTests(unittest.TestCase):
     expectations = test_expectations.TestExpectations()
     expectations = test_expectations.TestExpectations()
     page = page_module.Page(
-        'file://blank.html', ps, base_dir=util.GetUnittestDataDir(),
-        startup_url='about:blank')
+        'file://blank.html', ps, base_dir=util.GetUnittestDataDir())
+    page.startup_url = 'about:blank'
     ps.pages.append(page)
 
     class Measurement(page_test.PageTest):