helper.poll();
        assertTrue(heartbeatCalled.get());
        assertTrue(cleanupCalled.get());
    }

    @Test
    public void test_poll_dispatchesEvents() {
        // Verify that poll fetches events and dispatches them
        final AtomicInteger dispatchCount = new AtomicInteger(0);
        final CoordinatorHelper helper = new CoordinatorHelper() {
            @Override

        if (rejected != null) {
            return rejected;
        }
        return searchDocuments(query, fields, extraQueries);
    }

    /**
     * Fetches full document content for the given document IDs.
     *
     * @param docIds the document IDs to fetch
     * @return list of documents with full content
     */