### Question:
LightblueDiagnosticsRequest extends LightblueRequest { @Override public JsonNode getBodyJson() { return null; } LightblueDiagnosticsRequest(); @Override JsonNode getBodyJson(); @Override String getRestURI(String baseServiceURI);  }### Answer:
@Test public void testRequestBodyNull() { Assert.assertEquals(null, testRequest.getBodyJson()); }