[unit-test-failure] auto_failover_test fails intermittently

  25317 in function failover_tests:auto_failover_async_t/2 (/home/couchbase/jenkins/workspace/ns-server-ns-t

  25318 in call from eunit_test:run_testfun/1 (eunit_test.erl, line 71)

  25319 in call from eunit_proc:run_test/1 (eunit_proc.erl, line 543)

  25320 in call from eunit_proc:with_timeout/3 (eunit_proc.erl, line 368)

  25321 in call from eunit_proc:handle_test/2 (eunit_proc.erl, line 526)

  25322 in call from eunit_proc:tests_inorder/3 (eunit_proc.erl, line 468)

  25323 in call from eunit_proc:with_timeout/3 (eunit_proc.erl, line 358)

  25324 in call from eunit_proc:run_group/2 (eunit_proc.erl, line 582)

  25325 **error:\{assertEqual,[{module,failover_tests},

  25326               \{line,559},

  25327               \{expression,"3"},

  25328               \{expected,0},

  25329               \{value,3}]}

  25330   output:<<"">>