@Test
public void preview_xls_multi_sheet() throws Exception {

    // then
    Response response =
            given() //
                    .body(IOUtils.toByteArray(DataSetAPITest.class
                            .getResourceAsStream("dataset/Talend_Desk-Tableau_de_Bord-011214.xls"))) //
                    .when() //
                    .post("/api/datasets");
    assertThat(response.getStatusCode(), is(200));
    String datasetId = response.asString();
    // call preview to ensure no error
    response = given() //
            .when() //
            .get("/api/datasets/preview/{id}", datasetId);
    assertThat(response.getStatusCode(), is(200));
}