@Override
  public int relaunchContainer(ContainerStartContext ctx)
      throws IOException, ConfigurationException {
    return handleLaunchForLaunchType(ctx,
        ApplicationConstants.ContainerLaunchType.RELAUNCH);
  }
@Test
  public void testRelaunchContainer() throws Exception {
    Container container = mock(Container.class);
    LinuxContainerExecutor lce = mock(LinuxContainerExecutor.class);
    ContainerStartContext.Builder builder =
        new ContainerStartContext.Builder();
    builder.setContainer(container).setUser("foo");
    ContainerStartContext ctx = builder.build();
    lce.relaunchContainer(ctx);
    verify(lce, times(1)).relaunchContainer(ctx);
  }