@Test
void shouldLogRequestWithoutBody() throws IOException {

    final String correlationId = "ac5c3dc2-682a-11e5-83cd-10ddb1ee7671";
    final HttpRequest request = MockHttpRequest.create().withBodyAsString("");
    final String format = unit.format(correlation(correlationId), request);
    assertThat(format, not(containsString("body")));
}