Investigate spurious test fails - race conditions?

[povder]

[info] - stochastic_spec103_mustSignalOnMethodsSequentially *** FAILED ***
[info]   java.util.concurrent.TimeoutException: Futures timed out after [10 seconds]
[info]   at scala.concurrent.impl.Promise$DefaultPromise.ready(Promise.scala:223)
[info]   at scala.concurrent.impl.Promise$DefaultPromise.result(Promise.scala:227)
[info]   at scala.concurrent.Await$$anonfun$result$1.apply(package.scala:190)
[info]   at scala.concurrent.BlockContext$DefaultBlockContext$.blockOn(BlockContext.scala:53)
[info]   at scala.concurrent.Await$.result(package.scala:190)
[info]   at io.rdbc.test.package$AwaitableOps.get(package.scala:26)
[info]   at io.rdbc.test.RowPublisherVerification.createPublisher(RowPublisherVerification.scala:63)
[info]   at org.reactivestreams.tck.PublisherVerification.activePublisherTest(PublisherVerification.java:1091)
[info]   at org.reactivestreams.tck.PublisherVerification$5.apply(PublisherVerification.java:244)
[info]   at org.reactivestreams.tck.PublisherVerification$5.apply(PublisherVerification.java:241)