Test flaky

Signed-off-by: b4sjoo <sicheng.song@outlook.com>

Author: b4sjoo

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

@@ -739,8 +739,7 @@ public void testCohereGenerateTextModel() throws IOException, InterruptedExcepti
         responseMap = (Map) responseList.get(0);
         assertFalse(((String) responseMap.get("text")).isEmpty());
     }
-
-    @Ignore
+    
     public void testCohereClassifyModel() throws IOException, InterruptedException {
         // Skip test if key is null
         if (COHERE_KEY == null) {