org.junit.ComparisonFailure: expected:<exitCode=[COMPLETED;exitDescription=]> but was:<exitCode=[FAILED;exitDescription=org.springframework.integration.MessageDeliveryException: Failed to transfer file [target/workingDir/Profils-example.zip] from local working directory to remote FTP directory.

org.springframework.core.NestedIOException: failed to create remote directory ''.; nested exception is 4: 	at org.springframework.integration.sftp.session.SftpSession.mkdir(SftpSession.java:177)	at org.springframework.integration.file.remote.session.CachingSessionFactory$CachedSession.mkdir(CachingSessionFactory.java:141)	at org.springframework.integration.file.remote.handler.FileTransferringMessageHandler.makeDirectories(FileTransferringMessageHandler.java:291)	at org.springframework.integration.file.remote.handler.FileTransferringMessageHandler.sendFileToRemoteDirectory(FileTransferringMessageHandler.java:234)	at org.springframework.integration.file.remote.handler.FileTransferringMessageHandler.handleMessageInternal(FileTransferringMessageHandler.java:157)	at org.springframework.integration.file.remote.handler.FileTransferringMessageHandler.handleMessageInternal(FileTransferringMessageHandler.java:164)	at org.springframework.integration.handler.AbstractMessageHandler.handleMessage(AbstractMessageHandler.java:73)	at org.springframework.integration.dispatcher.UnicastingDispatcher.doDispatch(UnicastingDispatcher.java:115)	at org.springframework.integration.dispatcher.UnicastingDispatcher.dispatch(UnicastingDispatcher.java:102)	at org.springframework.integration.channel.AbstractSubscribableChannel.doSend(AbstractSubscribableChannel.java:77)	at org.springframework.integration.channel.AbstractMessageChannel.send(AbstractMessageChannel.java:157)	at com.myclient.batch.sftp.SftpTasklet.sendOverSftp(SftpTasklet.java:53)	at com.myclient.batch.sftp.SftpTasklet.execute(SftpTasklet.java:41)	at org.springframework.batch.core.step.tasklet.TaskletStep$ChunkTransactionCallback.doInTransaction(TaskletStep.java:386)	at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:130)	at org.springframework.batch.core.step.tasklet.TaskletStep$2.doInChunkContext(TaskletStep.java:264)	at org.springframework.batch.core.scope.context.StepContextRepeatCallback.doInIteration(StepContextRepeatCallback.java:76)	at org.springframework.batch.repeat.support.RepeatTemplate.getNextResult(RepeatTemplate.java:367)	at org.springframework.batch.repeat.support.RepeatTemplate.executeInternal(RepeatTemplate.java:214)	at org.springframework.batch.repeat.support.RepeatTemplate.iterate(RepeatTemplate.java:143)	at org.springframework.batch.core.step.tasklet.TaskletStep.doExecute(TaskletStep.java:250)	at org.springframework.batch.core.step.AbstractStep.execute(AbstractStep.java:195)	at org.springframework.batch.core.job.SimpleStepHandler.handleStep(SimpleStepHandler.java:135)	at org.springframework.batch.core.job.AbstractJob.handleStep(AbstractJob.java:372)	at org.springframework.batch.core.job.SimpleJob.doExecute(SimpleJob.java:121)	at org.springframework.batch.core.job.AbstractJob.execute(AbstractJob.java:293)	at org.springframework.batch.core.launch.support.SimpleJobLauncher$1.run(SimpleJobLauncher.java:120)	at org.springframework.core.task.SyncTaskExecutor.execute(SyncTaskExecutor.java:48)	at org.springframework.batch.core.launch.support.SimpleJobLauncher.run(SimpleJobLauncher.java:114)	at org.springframework.batch.test.StepRunner.launchJob(StepRunner.java:169)	at org.springframework.batch.test.StepRunner.launchStep(StepRunner.java:158)	at org.springframework.batch.test.JobLauncherTestUtils.launchStep(JobLauncherTestUtils.java:239)	at org.springframework.batch.test.JobLauncherTestUtils.launchStep(JobLauncherTestUtils.java:187)	at com.myclient.batch.UploadCrmgpFilesIntegrationTest.should_upload_files_on_the_sftp_server(UploadCrmgpFilesIntegrationTest.java:48)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:45)	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:42)	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)	at org.springframework.test.context.junit4.statements.RunBeforeTestMethodCallbacks.evaluate(RunBeforeTestMethodCallbacks.java:74)	at org.springframework.test.context.junit4.statements.RunAfterTestMethodCallbacks.evaluate(RunAfterTestMethodCallbacks.java:83)	at com.myclient.core.test.rule.SftpRule$StartCloseSftpStatement.evaluate(SftpRule.java:71)	at org.junit.rules.RunRules.evaluate(RunRules.java:18)	at org.springframework.test.context.junit4.statements.SpringRepeat.evaluate(SpringRepeat.java:72)	at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:231)	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:47)	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:231)	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:60)	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:229)	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:50)	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:222)	at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61)	at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:71)	at org.junit.runners.ParentRunner.run(ParentRunner.java:300)	at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:174)	at org.junit.runner.JUnitCore.run(JUnitCore.java:157)	at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:76)	at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:195)	at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:63)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at com.intellij.rt.execution.application.AppMain.main(AppMain.java:120)