Increasing mlconfig index creation wait time

Signed-off-by: Joshua Palis <[email protected]>

src/test/java/org/opensearch/flowframework/FlowFrameworkRestTestCase.java

@@ -131,7 +131,7 @@ public void setUpSettings() throws Exception {
             assertEquals(200, response.getStatusLine().getStatusCode());
 
             // Ensure .plugins-ml-config is created before proceeding with integration tests
-            assertBusy(() -> { assertTrue(indexExistsWithAdminClient(".plugins-ml-config")); }, 30, TimeUnit.SECONDS);
+            assertBusy(() -> { assertTrue(indexExistsWithAdminClient(".plugins-ml-config")); }, 60, TimeUnit.SECONDS);
         }
 
     }