assertFalse(result);
        // Should still attempt all indices (4 config indices)
        assertEquals(4, testClient.createdIndices.size());
    }

    @Test
    public void test_reindexConfigIndices_reindexToBackupFailureCleansUp() {
        testClient.existsIndexResult = true;
        testClient.createIndexResult = true;
        testClient.reindexResult = false;
        testClient.documentCount = 10;