ci modifications

Author: KrishnanPrash

ci/L0_backend_vllm/vllm_backend/curl.out

@@ -44,7 +44,7 @@ output [
 ensemble_scheduling {
   step [
     {
-      model_name: "vllm_model"
+      model_name: "vllm_opt"
       model_version: -1
       input_map {
         key: "text_input"

ci/L0_backend_vllm/vllm_backend/ensemble_config.pbtxt

@@ -167,6 +167,12 @@ def test_exclude_input_in_output_true(self):
     def test_ensemble_model(self):
         # Test to ensure that ensemble models are supported in vllm container.
         # If ensemble support not present, triton will error out at model loading stage.
+        
+        # Before loading ensemble model, the dependency model is loaded.
+        self.triton_client.load_model(self.vllm_model_name)
+        self.assertTrue(self.triton_client.is_model_ready(self.vllm_model_name))
+         
+        
         self.triton_client.load_model(self.enseble_model_name)
         self.assertTrue(self.triton_client.is_model_ready(self.enseble_model_name))