Adding/updating a few more unittests for Crosperf.

BUG=None
Test=Ran all regression tests.  Ran 'normal' crosperf.

Change-Id: If1dcafee39f10c20c935908c466fbae8fdb23a35
Reviewed-on: https://chrome-internal-review.googlesource.com/166485
Reviewed-by: Han Shen <shenhan@google.com>
Commit-Queue: Caroline Tice <cmtice@google.com>
Tested-by: Caroline Tice <cmtice@google.com>
diff --git a/crosperf/flag_test_unittest.py b/crosperf/flag_test_unittest.py
old mode 100644
new mode 100755
index 71cce09..f3678cf
--- a/crosperf/flag_test_unittest.py
+++ b/crosperf/flag_test_unittest.py
@@ -1,4 +1,4 @@
-#!/usr/bi/python
+#!/usr/bin/python
 #
 # Copyright 2014 Google Inc. All Rights Reserved.