[Wp-unit-tests] [WordPress Unit Tests] #33: Fix failed tests in WPTestAttachments

[WordPress Unit Tests]

#33: Fix failed tests in WPTestAttachments
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  Reporter:  kurtpayne       |      Owner:
      Type:  defect          |     Status:  new
  Priority:  major           |  Milestone:  Fix existing Tests
 Component:  Test Framework  |    Version:
Resolution:                  |   Keywords:  attachments
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Comment (by nacin):

 Perhaps just scandir() and unlink() will be enough. WP_Filesystem() could
 potentially trigger FTP stuff, we just want the direct methods.

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Ticket URL: <http://unit-tests.trac.wordpress.org/ticket/33#comment:1>
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