fix failure tests

Signed-off-by: zane-neo <zaniu@amazon.com>

Author: zane-neo

plugin/src/test/java/org/opensearch/ml/rest/RestMLFlowAgentIT.java

@@ -78,8 +78,8 @@ public static Response registerAgentWithCatIndexTool() throws IOException {
             + "  \"description\": \"this is a test agent for the CatIndexTool\",\n"
             + "  \"tools\": [\n"
             + "      {\n"
-            + "      \"type\": \"CatIndexTool\",\n"
-            + "      \"name\": \"DemoCatIndexTool\",\n"
+            + "      \"type\": \"ListIndexTool\",\n"
+            + "      \"name\": \"DemoListIndexTool\",\n"
             + "      \"parameters\": {\n"
             + "        \"input\": \"${parameters.question}\"\n"
             + "      }\n"

plugin/src/test/resources/org/opensearch/ml/tools/ListIndexAgentRegistration.json

@@ -11,8 +11,8 @@
   },
   "tools": [
     {
-      "type": "CatIndexTool",
-      "name": "CatIndexTool"
+      "type": "ListIndexTool",
+      "name": "ListIndexTool"
     }
   ],
   "app_type": "my_app"