Error setting locale in test suite
This is on the VM running pandas windows builds.
Windows XP
Python 2.7 32-bit

```
ERROR: test suite for <class 'pandas.io.tests.test_data.TestGoogle'>
----------------------------------------------------------------------
Traceback (most recent call last):
  File "c:\python27\x32\lib\site-packages\nose\suite.py", line 208, in run
    self.setUp()
  File "c:\python27\x32\lib\site-packages\nose\suite.py", line 291, in setUp
    self.setupContext(ancestor)
  File "c:\python27\x32\lib\site-packages\nose\suite.py", line 314, in setupContext
    try_run(context, names)
  File "c:\python27\x32\lib\site-packages\nose\util.py", line 478, in try_run
    return func()
  File "C:\workspace\pandas-windows-test-py27\pandas\io\tests\test_data.py", line 41, in setUpClass
    cls.locales = tm.get_locales(prefix='en_US')
  File "C:\workspace\pandas-windows-test-py27\pandas\util\testing.py", line 181, in get_locales
    raw_locales = locale_getter()
  File "C:\workspace\pandas-windows-test-py27\pandas\util\testing.py", line 151, in _default_locale_getter
    "system" % e)
TypeError: __init__() takes at least 3 arguments (2 given)
```
