Distributed(Intermediate)SharedCacheFourNodesMapReduceTest randomly fails on Windows

It looks like tests have problems with fitting into 15 sec timeout on Windows.

org.infinispan.commons.CacheException: java.util.concurrent.ExecutionException: Reduce phase executing at DistributedSharedCacheFourNodesMapReduceTest-NodeA-36515 did not complete within 15 sec timeout
at org.infinispan.distexec.mapreduce.MapReduceTask.executeHelper(MapReduceTask.java:498)
at org.infinispan.distexec.mapreduce.MapReduceTask.execute(MapReduceTask.java:447)
at org.infinispan.distexec.mapreduce.BaseWordCountMapReduceTest.testInvokeMapReduceOnAllKeysWithResultCache(BaseWordCountMapReduceTest.java:173)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:80)
at org.testng.internal.Invoker.invokeMethod(Invoker.java:714)
at org.testng.internal.Invoker.invokeTestMethod(Invoker.java:901)
at org.testng.internal.Invoker.invokeTestMethods(Invoker.java:1231)
at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:127)
at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:111)
at org.testng.TestRunner.privateRun(TestRunner.java:767)
at org.testng.TestRunner.run(TestRunner.java:617)
at org.testng.SuiteRunner.runTest(SuiteRunner.java:334)
at org.testng.SuiteRunner.access$000(SuiteRunner.java:37)
at org.testng.SuiteRunner$SuiteWorker.run(SuiteRunner.java:368)
at org.testng.internal.thread.ThreadUtil$2.call(ThreadUtil.java:64)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
at java.util.concurrent.FutureTask.run(FutureTask.java:138)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918)
at java.lang.Thread.run(Thread.java:662)
Caused by: java.util.concurrent.ExecutionException: Reduce phase executing at DistributedSharedCacheFourNodesMapReduceTest-NodeA-36515 did not complete within 15 sec timeout
at org.infinispan.distexec.mapreduce.MapReduceTask.executeReducePhase(MapReduceTask.java:748)
at org.infinispan.distexec.mapreduce.MapReduceTask.executeHelper(MapReduceTask.java:495)
... 23 more
Caused by: org.infinispan.util.concurrent.TimeoutException: Node DistributedSharedCacheFourNodesMapReduceTest-NodeD-54406 timed out
at org.infinispan.remoting.transport.jgroups.CommandAwareRpcDispatcher.invokeRemoteCommand(CommandAwareRpcDispatcher.java:174)
at org.infinispan.remoting.transport.jgroups.JGroupsTransport.invokeRemotely(JGroupsTransport.java:521)
at org.infinispan.remoting.rpc.RpcManagerImpl.invokeRemotely(RpcManagerImpl.java:280)
at org.infinispan.remoting.rpc.RpcManagerImpl$2.call(RpcManagerImpl.java:312)
... 5 more
Caused by: org.jgroups.TimeoutException: timeout sending message to DistributedSharedCacheFourNodesMapReduceTest-NodeD-54406
at org.jgroups.blocks.MessageDispatcher.sendMessage(MessageDispatcher.java:419)
at org.infinispan.remoting.transport.jgroups.CommandAwareRpcDispatcher.processSingleCall(CommandAwareRpcDispatcher.java:349)
at org.infinispan.remoting.transport.jgroups.CommandAwareRpcDispatcher.invokeRemoteCommand(CommandAwareRpcDispatcher.java:167)
... 8 more