@Test
void equalsPlain() {

    final String fieldName = UUID.randomUUID()
        .toString();
    final String value = "value";
    final Select select = Select.unrestricted()
        .equalsPlain(fieldName, value);
    final RoboZonkyFilter filter = mock(RoboZonkyFilter.class);
    select.accept(filter);
    verify(filter).setQueryParam(eq(fieldName), eq(value));
}