@Test
    public void testGetClusters() throws Exception {
        final String result = "[\"standalone\"]";
        List<String> expected = GSON.fromJson(result, ArrayList.class);
        List<String> clusters = PulsarUtils.getClusters(client, pulsarCluster);
        assertEquals(expected.size(), clusters.size());
        assertEquals(expected, clusters);
    }
Test cases for {@link PulsarUtils#getClusters(RestTemplate, PulsarClusterInfo)}.

@throws Exception
inlong-manager/manager-service/src/test/java/org/apache/inlong/manager/service/queue/PulsarUtilsTest.java