Your best bet is to just add -DskipTests to your mvn command.
-------------------------------------------------------------------------------
Failed tests: testGetStartOfDay(org.eurekastreams.server.persistence.strategie
s.DateDayExtractorTest): expected:<4> but was:<5>
testGetEndOfDay(org.eurekastreams.server.persistence.strategies.DateDayExtract
orTest): expected:<4> but was:<5>
Tests run: 2735, Failures: 2, Errors: 0, Skipped: 0
[INFO] ------------------------------------------------------------------------
[ERROR] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] There are test failures.
Please refer to C:\Users\manasa\Desktop\eurekastreams-master\server\target\suref
ire-reports for the individual test results.
[INFO] ------------------------------------------------------------------------
[INFO] For more information, run Maven with the -e switch
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 6 minutes 35 seconds
[INFO] Finished at: Mon Apr 22 13:55:08 IST 2013
[INFO] Final Memory: 94M/308M
[INFO] ------------------------------------------------------------------------
'