Fix test issue 258

Author: ymohdriz

modules/swagger-parser/src/test/resources/duplicateOperationId.json

@@ -5,7 +5,16 @@
     "title": "Duplicate operationID"
   },
   "paths": {
-    "/pets": {
+    "/pets/{id}": {
+      "parameters" : [
+        {
+          "in": "path",
+          "name": "id",
+          "schema": {
+            "type": "string"
+          }
+        }
+      ],
       "get": {
         "operationId": "getPetsById",
         "responses": {