Github user manuzhang commented on the issue:
https://github.com/apache/incubator-gearpump/pull/53
the test failure is not related
```
[0m[[0minfo[0m] [0m[32mWorker[0m[0m
[0m[[0minfo[0m] [0m[31m- should register worker address to master when
started. *** FAILED ***[0m[0m
[0m[[0minfo[0m] [0m[31m java.lang.AssertionError: assertion failed:
timeout (25 seconds) during expectMsg while waiting for
RegisterNewWorker[0m[0m
[0m[[0minfo[0m] [0m[31m at
scala.Predef$.assert(Predef.scala:170)[0m[0m
[0m[[0minfo[0m] [0m[31m at
akka.testkit.TestKitBase$class.expectMsg_internal(TestKit.scala:349)[0m[0m
[0m[[0minfo[0m] [0m[31m at
akka.testkit.TestKitBase$class.expectMsg(TestKit.scala:335)[0m[0m
[0m[[0minfo[0m] [0m[31m at
akka.testkit.TestKit.expectMsg(TestKit.scala:734)[0m[0m
[0m[[0minfo[0m] [0m[31m at
org.apache.gearpump.cluster.main.MainSpec$$anonfun$1.apply$mcV$sp(MainSpec.scala:73)[0m[0m
[0m[[0minfo[0m] [0m[31m at
org.apache.gearpump.cluster.main.MainSpec$$anonfun$1.apply(MainSpec.scala:56)[0m[0m
[0m[[0minfo[0m] [0m[31m at
org.apache.gearpump.cluster.main.MainSpec$$anonfun$1.apply(MainSpec.scala:56)[0m[0m
[0m[[0minfo[0m] [0m[31m at
org.scalatest.Transformer$$anonfun$apply$1.apply$mcV$sp(Transformer.scala:22)[0m[0m
[0m[[0minfo[0m] [0m[31m at
org.scalatest.OutcomeOf$class.outcomeOf(OutcomeOf.scala:85)[0m[0m
[0m[[0minfo[0m] [0m[31m at
org.scalatest.OutcomeOf$.outcomeOf(OutcomeOf.scala:104)[0m[0m
```
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