return 3;
            }
        });

        helper.tryStartOperation("test_op", null);
        assertEquals(3, passedRetries.get());
    }

    /**
     * Creates a testable CoordinatorHelper that overrides tryStartOperation(name,data,retries)
     * to simulate "create always fails" (no OpenSearch), preserving the retry/cleanup dispatch logic.
     */

            if (values.length != 2) {
                return;
            }
            final FacetQueryView facetQueryView = new FacetQueryView();
            facetQueryView.setTitle(values[0]);
            split(values[1], "\t").of(subStream -> subStream.map(String::trim).filter(StringUtil::isNotEmpty).forEach(v -> {
                final String[] facet = StringUtils.split(v, "=", 2);

        assertEquals("Q2", request.getMessages().get(0).getContent());
        assertEquals("Q3", request.getMessages().get(1).getContent());
    }

    // ========== Testable subclass ==========

    @FunctionalInterface
    interface StreamChatCapture {
        void capture(LlmChatRequest request, LlmStreamCallback callback);
    }

                setAttributeValue(result, fessConfig.getLdapAttrDescription(), o -> user.setDescription(o.toString()));
                setAttributeValue(result, fessConfig.getLdapAttrTitle(), o -> user.setTitle(o.toString()));
                setAttributeValue(result, fessConfig.getLdapAttrPager(), o -> user.setPager(o.toString()));
                setAttributeValue(result, fessConfig.getLdapAttrStreet(), o -> user.setStreet(o.toString()));