@Test
public void customConditionForMetadataExistsFilterWithOneSingleValue() throws Exception {
theFieldResolver().hasField(FIELD_1, 1);
List<ScopedFilter> scopedFilters = new ArrayList<ScopedFilter>();
ParameterMap filterConfiguration = new ParameterMap().withValues(new StringValue()
.withValue(FIELD_1)
.withName("fields"));
scopedFilters.add(new ScopedFilter(new CustomCondition(getFilterResolver(),
DSpaceMetadataExistsFilter.class,