E2E tests aligned

Author: asimurka

tests/e2e/features/conversation_cache_v2.feature

@@ -183,7 +183,7 @@ Feature: Conversation Cache V2 API tests
      And The returned conversation details have expected conversation_id
      And The body of the response, ignoring the "conversation_id" field, is the following
       """
-      {"success": true, "response": "Conversation deleted successfully"}
+      {"success": true, "response": "Conversation deleted successfully", "deleted": true}
       """
      When I use REST API conversation endpoint with conversation_id from above using HTTP GET method
      Then The status code of the response is 404
@@ -203,7 +203,7 @@ Feature: Conversation Cache V2 API tests
      Then The status code of the response is 200
      And The body of the response, ignoring the "conversation_id" field, is the following
       """
-      {"success": true, "response": "Conversation cannot be deleted"}
+      {"success": true, "response": "Conversation not found", "deleted": false}
       """
 
   # ====================================================================

tests/e2e/features/conversations.feature

@@ -107,7 +107,7 @@ Feature: conversations endpoint API tests
      And The returned conversation details have expected conversation_id
      And The body of the response, ignoring the "conversation_id" field, is the following
       """
-      {"success": true, "response": "Conversation deleted successfully"}
+      {"success": true, "response": "Conversation deleted successfully", "deleted": true}
       """
      And I use REST API conversation endpoint with conversation_id from above using HTTP GET method
      Then The status code of the response is 404
@@ -123,5 +123,5 @@ Feature: conversations endpoint API tests
      Then The status code of the response is 200
      And The body of the response, ignoring the "conversation_id" field, is the following
       """
-      {"success": true, "response": "Conversation cannot be deleted"}
+      {"success": true, "response": "Conversation not found", "deleted": false}
       """

tests/e2e/features/llama_stack_disrupted.feature

@@ -205,7 +205,7 @@ Feature: Llama Stack connection disrupted
     And The returned conversation details have expected conversation_id
     And The body of the response, ignoring the "conversation_id" field, is the following
     """
-    {"success": true, "response": "Conversation deleted successfully"}
+    {"success": true, "response": "Conversation deleted successfully", "deleted": true}
     """
     When I use REST API conversation endpoint with conversation_id from above using HTTP GET method
     Then The status code of the response is 404