@Test
public void openConnectionSessionTest() throws IOException, InterruptedException {

    Connection conn = Mockito.mock(Connection.class);
    PowerMockito.mockStatic(Thread.class);
    SshHelper.openConnectionSession(conn);
    Mockito.verify(conn).openSession();
    PowerMockito.verifyStatic();
    Thread.sleep(Mockito.anyLong());
}