@Test(expectedExceptions = IllegalArgumentException.class)
public void parse_error() throws URISyntaxException {
URL url = Resources.getResource(getClass(), "/xls/bad_sheet.xls");
File file = new File(url.toURI());
ParsedLines lines = XlsFile.parse(file)
.skipFirstLines(1)
.getLines();
Iterable<Entity> entities = Iterables.transform(lines, new ToEntity());
this.entities = ImmutableList.copyOf(entities);