@Test
public void get() throws Exception {

    String expectedId = insertEmptyDataSet();
    List<String> ids = from(when().get("/datasets").asString()).get("");
    assertThat(ids.size(), is(1));
    int statusCode = when().get("/datasets/{id}/content", expectedId).getStatusCode();
    assertEquals("statusCode is:" + statusCode, statusCode, OK.value());
}