public KsqlTarget target(final URI server) {
    return target(server, Collections.emptyMap());
  }
@Test
  public void shouldRequestClusterStatus() {

    // Given:
    ClusterStatusResponse clusterStatusResponse = new ClusterStatusResponse(new HashMap<>());
    server.setResponseObject(clusterStatusResponse);

    // When:
    KsqlTarget target = ksqlClient.target(serverUri);
    RestResponse<ClusterStatusResponse> response = target.getClusterStatus();

    // Then:
    assertThat(server.getHttpMethod(), is(HttpMethod.GET));
    assertThat(server.getBody(), nullValue());
    // Yikes - this is camel case!
    assertThat(server.getPath(), is("/clusterStatus"));
    assertThat(server.getHeaders().get("Accept"), is("application/json"));
    assertThat(response.get(), is(clusterStatusResponse));
  }