@Test
void startswith() {

    final String fieldName = "field";
    final String value = "value";
    final Select select = new Select().startsWith(fieldName, value);
    final RoboZonkyFilter filter = mock(RoboZonkyFilter.class);
    select.accept(filter);
    verify(filter).setQueryParam(eq(fieldName + "__startswith"), eq(value));
}