Tests run: 323, Failures: 1, Errors: 0, Skipped: 2, Time elapsed: 561.622 sec <<< FAILURE! - in TestSuite
(com.github.dockerjava.netty.exec.AttachContainerCmdExecTest)  Time elapsed: 10.809 sec  <<< FAILURE!
java.lang.AssertionError: 
Expected: a string containing "hello world"
     but: was ""
    at com.github.dockerjava.netty.exec.AttachContainerCmdExecTest.attachContainerWithStdin(AttachContainerCmdExecTest.java:121)
Results :
Failed tests: 
com.github.dockerjava.netty.exec.AttachContainerCmdExecTest.(com.github.dockerjava.netty.exec.AttachContainerCmdExecTest)
  Run 1: AttachContainerCmdExecTest.attachContainerWithStdin:121 
Expected: a string containing "hello world"
     but: was ""
  Run 2: PASS
  Run 3: PASS