CRM-13312 - CRM_Utils_API_MatchOptionTest

Make sure that the "noise" records are not touched by other operations. Clean up noise.

See http://forum.civicrm.org/index.php/topic,30133.0.html

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* CRM-13312: Implement API support for options.match
  http://issues.civicrm.org/jira/browse/CRM-13312