updated invalid testcases

Signed-off-by: Kishore Kumaar Natarajan <kkumaarn@amazon.com>

Author: Kishore Kumaar Natarajan

src/test/java/org/opensearch/plugin/insights/QueryInsightsRestTestCase.java

@@ -431,6 +431,7 @@ protected void defaultExporterSettings() throws IOException {
 
     protected void cleanup() throws IOException, InterruptedException {
         Thread.sleep(10000);
+
         try {
             client().performRequest(new Request("DELETE", "/top_queries"));
         } catch (ResponseException e) {
@@ -507,9 +508,6 @@ protected void checkLocalIndices() throws IOException {
             assertEquals("NONE", source.get("group_by"));
             assertEquals(1, ((Number) source.get("total_shards")).intValue());
 
-            List<String> indices = (List<String>) source.get("indices");
-            assertTrue("Expected my-index-0 in indices", indices.contains("my-index-0"));
-
             Map<String, Object> queryBlock = (Map<String, Object>) ((Map<String, Object>) source.get("source")).get("query");
             Map<String, Object> match = (Map<String, Object>) queryBlock.get("match");
             Map<String, Object> title = (Map<String, Object>) match.get("title");