Getting following Exception while running the arquillian tests:

org.jboss.arquillian.warp.impl.client.execution.DefaultWarpRequestSpecifier$ActivityException: java.lang.NumberFormatException

    at org.jboss.arquillian.warp.impl.client.execution.DefaultWarpExecutor.executeActivity(DefaultWarpExecutor.java:84)

    at org.jboss.arquillian.warp.impl.client.execution.DefaultWarpExecutor.execute(DefaultWarpExecutor.java:64)

    at org.jboss.arquillian.warp.impl.client.execution.WarpExecutionObserver.executeWarp(WarpExecutionObserver.java:45)

    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.jboss.arquillian.core.impl.ObserverImpl.invoke(ObserverImpl.java:94)

    at org.jboss.arquillian.core.impl.EventContextImpl.invokeObservers(EventContextImpl.java:99)

    at org.jboss.arquillian.core.impl.EventContextImpl.proceed(EventContextImpl.java:81)

    at org.jboss.arquillian.warp.impl.client.execution.WarpExecutionInitializer.provideWarpContext(WarpExecutionInitializer.java:64)

    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.jboss.arquillian.core.impl.ObserverImpl.invoke(ObserverImpl.java:94)

    at org.jboss.arquillian.core.impl.EventContextImpl.proceed(EventContextImpl.java:88)

    at org.jboss.arquillian.core.impl.ManagerImpl.fire(ManagerImpl.java:145)

    at org.jboss.arquillian.core.impl.ManagerImpl.fire(ManagerImpl.java:116)

    at org.jboss.arquillian.core.impl.EventImpl.fire(EventImpl.java:67)

    at org.jboss.arquillian.warp.impl.client.execution.DefaultWarpRequestSpecifier.execute(DefaultWarpRequestSpecifier.java:98)

    at org.jboss.arquillian.warp.impl.client.execution.DefaultWarpRequestSpecifier.inspect(DefaultWarpRequestSpecifier.java:76)

    at com.swissre.g3m.fdsi.gui.ValidationsPageTest.treeShouldBeRenderedCorrectly(ValidationsPageTest.java:115)

    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.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44)

    at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)

    at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41)

    at org.jboss.arquillian.junit.Arquillian$8$1.invoke(Arquillian.java:370)

    at org.jboss.arquillian.container.test.impl.execution.LocalTestExecuter.execute(LocalTestExecuter.java:60)

    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.jboss.arquillian.core.impl.ObserverImpl.invoke(ObserverImpl.java:94)

    at org.jboss.arquillian.core.impl.EventContextImpl.invokeObservers(EventContextImpl.java:99)

    at org.jboss.arquillian.core.impl.EventContextImpl.proceed(EventContextImpl.java:81)

    at org.jboss.arquillian.core.impl.ManagerImpl.fire(ManagerImpl.java:145)

    at org.jboss.arquillian.core.impl.ManagerImpl.fire(ManagerImpl.java:116)

    at org.jboss.arquillian.core.impl.EventImpl.fire(EventImpl.java:67)

    at org.jboss.arquillian.container.test.impl.execution.ClientTestExecuter.execute(ClientTestExecuter.java:53)

    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.jboss.arquillian.core.impl.ObserverImpl.invoke(ObserverImpl.java:94)

    at org.jboss.arquillian.core.impl.EventContextImpl.invokeObservers(EventContextImpl.java:99)

    at org.jboss.arquillian.core.impl.EventContextImpl.proceed(EventContextImpl.java:81)

    at org.jboss.arquillian.container.test.impl.client.ContainerEventController.createContext(ContainerEventController.java:142)

    at org.jboss.arquillian.container.test.impl.client.ContainerEventController.createTestContext(ContainerEventController.java:129)

    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.jboss.arquillian.core.impl.ObserverImpl.invoke(ObserverImpl.java:94)

    at org.jboss.arquillian.core.impl.EventContextImpl.proceed(EventContextImpl.java:88)

    at org.jboss.arquillian.test.impl.TestContextHandler.createTestContext(TestContextHandler.java:130)

    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.jboss.arquillian.core.impl.ObserverImpl.invoke(ObserverImpl.java:94)

    at org.jboss.arquillian.core.impl.EventContextImpl.proceed(EventContextImpl.java:88)

    at org.jboss.arquillian.test.impl.TestContextHandler.createClassContext(TestContextHandler.java:92)

    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.jboss.arquillian.core.impl.ObserverImpl.invoke(ObserverImpl.java:94)

    at org.jboss.arquillian.core.impl.EventContextImpl.proceed(EventContextImpl.java:88)

    at org.jboss.arquillian.test.impl.TestContextHandler.createSuiteContext(TestContextHandler.java:73)

    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.jboss.arquillian.core.impl.ObserverImpl.invoke(ObserverImpl.java:94)

    at org.jboss.arquillian.core.impl.EventContextImpl.proceed(EventContextImpl.java:88)

    at org.jboss.arquillian.core.impl.ManagerImpl.fire(ManagerImpl.java:145)

    at org.jboss.arquillian.test.impl.EventTestRunnerAdaptor.test(EventTestRunnerAdaptor.java:136)

    at org.jboss.arquillian.junit.Arquillian$8.evaluate(Arquillian.java:363)

    at org.jboss.arquillian.junit.Arquillian$4.evaluate(Arquillian.java:245)

    at org.jboss.arquillian.junit.Arquillian.multiExecute(Arquillian.java:422)

    at org.jboss.arquillian.junit.Arquillian.access$200(Arquillian.java:54)

    at org.jboss.arquillian.junit.Arquillian$5.evaluate(Arquillian.java:259)

    at org.junit.rules.TestWatchman$1.evaluate(TestWatchman.java:48)

    at org.jboss.arquillian.junit.Arquillian$7$1.invoke(Arquillian.java:315)

    at org.jboss.arquillian.container.test.impl.execution.ClientBeforeAfterLifecycleEventExecuter.execute(ClientBeforeAfterLifecycleEventExecuter.java:99)

    at org.jboss.arquillian.container.test.impl.execution.ClientBeforeAfterLifecycleEventExecuter.on(ClientBeforeAfterLifecycleEventExecuter.java:72)

    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.jboss.arquillian.core.impl.ObserverImpl.invoke(ObserverImpl.java:94)

    at org.jboss.arquillian.core.impl.EventContextImpl.invokeObservers(EventContextImpl.java:99)

    at org.jboss.arquillian.core.impl.EventContextImpl.proceed(EventContextImpl.java:81)

    at org.jboss.arquillian.container.test.impl.client.ContainerEventController.createContext(ContainerEventController.java:142)

    at org.jboss.arquillian.container.test.impl.client.ContainerEventController.createBeforeContext(ContainerEventController.java:124)

    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.jboss.arquillian.core.impl.ObserverImpl.invoke(ObserverImpl.java:94)

    at org.jboss.arquillian.core.impl.EventContextImpl.proceed(EventContextImpl.java:88)

    at org.jboss.arquillian.test.impl.TestContextHandler.createTestContext(TestContextHandler.java:130)

    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.jboss.arquillian.core.impl.ObserverImpl.invoke(ObserverImpl.java:94)

    at org.jboss.arquillian.core.impl.EventContextImpl.proceed(EventContextImpl.java:88)

    at org.jboss.arquillian.test.impl.TestContextHandler.createClassContext(TestContextHandler.java:92)

    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.jboss.arquillian.core.impl.ObserverImpl.invoke(ObserverImpl.java:94)

    at org.jboss.arquillian.core.impl.EventContextImpl.proceed(EventContextImpl.java:88)

    at org.jboss.arquillian.test.impl.TestContextHandler.createSuiteContext(TestContextHandler.java:73)

    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.jboss.arquillian.core.impl.ObserverImpl.invoke(ObserverImpl.java:94)

    at org.jboss.arquillian.core.impl.EventContextImpl.proceed(EventContextImpl.java:88)

    at org.jboss.arquillian.core.impl.ManagerImpl.fire(ManagerImpl.java:145)

    at org.jboss.arquillian.core.impl.ManagerImpl.fire(ManagerImpl.java:116)

    at org.jboss.arquillian.test.impl.EventTestRunnerAdaptor.fireCustomLifecycle(EventTestRunnerAdaptor.java:159)

    at org.jboss.arquillian.junit.Arquillian$7.evaluate(Arquillian.java:311)

    at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:76)

    at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)

    at org.junit.runners.ParentRunner$3.run(ParentRunner.java:193)

    at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:52)

    at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:191)

    at org.junit.runners.ParentRunner.access$000(ParentRunner.java:42)

    at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:184)

    at org.jboss.arquillian.junit.Arquillian$2.evaluate(Arquillian.java:204)

    at org.jboss.arquillian.junit.Arquillian.multiExecute(Arquillian.java:422)

    at org.jboss.arquillian.junit.Arquillian.access$200(Arquillian.java:54)

    at org.jboss.arquillian.junit.Arquillian$3.evaluate(Arquillian.java:218)

    at org.junit.runners.ParentRunner.run(ParentRunner.java:236)

    at org.jboss.arquillian.junit.Arquillian.run(Arquillian.java:166)

    at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:49)

    at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)

    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)

    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)

    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)

    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)

Caused by: java.lang.NumberFormatException

    at java.math.BigDecimal.<init>(BigDecimal.java:459)

    at java.math.BigDecimal.<init>(BigDecimal.java:728

    at org.jboss.arquillian.warp.impl.client.execution.WarpExecutionObserver.executeActivity(WarpExecutionObserver.java:60)

    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.jboss.arquillian.core.impl.ObserverImpl.invoke(ObserverImpl.java:94)

    at org.jboss.arquillian.core.impl.EventContextImpl.invokeObservers(EventContextImpl.java:99)

    at org.jboss.arquillian.core.impl.EventContextImpl.proceed(EventContextImpl.java:81)

    at org.jboss.arquillian.core.impl.ManagerImpl.fire(ManagerImpl.java:145)

    at org.jboss.arquillian.core.impl.ManagerImpl.fire(ManagerImpl.java:116)

    at org.jboss.arquillian.core.impl.EventImpl.fire(EventImpl.java:67)

    at org.jboss.arquillian.warp.impl.client.execution.DefaultWarpExecutor.executeActivity(DefaultWarpExecutor.java:82)

    ... 148 more