Add test for Spanning tree
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Key: SANDBOX-393
URL: https://issues.apache.org/jira/browse/SANDBOX-393
Project: Commons Sandbox
Issue Type: Sub-task
Reporter: Marco Speranza-- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira
