deleted failing test, turns out that WikiEngine only used *one* required property, FileSystemProvider.PROP_PAGEDIR, which is no longer mandatory (it defaults to ${user.home}/jspwiki-files).

git-svn-id: https://svn.apache.org/repos/asf/incubator/jspwiki/trunk@1431053 13f79535-47bb-0310-9956-ffa450edef68