assertNotEquals was added in Junit 4.11 and the client uses 4.10.

Stacktrace:
java.lang.NoSuchMethodError: org.junit.Assert.assertNotEquals(JJ)V
at org.infinispan.client.hotrod.RemoteAsyncAPITest.testReplaceWithVersionAsync(RemoteAsyncAPITest.java:200)
at java.lang.reflect.Method.invoke(Method.java:486)
at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:79)
at org.testng.internal.Invoker.invokeMethod(Invoker.java:717)
at org.testng.internal.Invoker.invokeTestMethod(Invoker.java:901)
at org.testng.internal.Invoker.invokeTestMethods(Invoker.java:1228)
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:766)
at org.testng.TestRunner.run(TestRunner.java:617)
at org.testng.SuiteRunner.runTest(SuiteRunner.java:336)
at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:329)
at org.testng.SuiteRunner.privateRun(SuiteRunner.java:291)
at org.testng.SuiteRunner.run(SuiteRunner.java:240)
at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:64)
at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:87)
at org.testng.TestNG.runSuitesSequentially(TestNG.java:1199)
at org.testng.TestNG.runSuitesLocally(TestNG.java:1123)
at org.testng.TestNG.run(TestNG.java:1031)
at org.infinispan.client.hotrod.JavaClientTests.main(JavaClientTests.java:90)