@Override
            public WsGetGroupsResult[] fetchGroupsFor(final String subjectId) {
                throw new RuntimeException("BadGroups");
            }
This is {@link GrouperFacadeTests}.

@author Misagh Moayyed
@since 6.3.0
support/cas-server-support-grouper-core/src/test/java/org/apereo/cas/grouper/GrouperFacadeTests.java