@Test
public void testCommandToStreamingWithNoHeader() throws Exception {

    HystrixCommand<InputStream> command = new CommandHelperTestCommand();
    final StreamingResponseBody responseBody = CommandHelper.toStreaming(command);
    final ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
    responseBody.writeTo(outputStream);
    assertEquals("test", new String(outputStream.toByteArray()));
}