FAQ.md

@@ -92,8 +92,19 @@ Please do the following:
 
 1. Click on the failed tests and check the log to see what's causing the errors.
 2. If it's related to connection timeout in downloading dependencies, please restart the CI jobs (which can be done by closing and reopening the PR)
-3. 
 
+### I ran the test locally and got errors (HTTP status code: 500) from the public petstore server. Is there a way to run the petstore locally for testing?
+
+Yes, please run the following commands (assuming you've docker installed):
+```sh
+docker pull swaggerapi/petstore
+docker run -d -e SWAGGER_HOST=http://petstore.swagger.io -e SWAGGER_BASE_PATH=/v2 -p 80:8080 swaggerapi/petstore
+docker ps -a 
+```
+Then add the following to your local host table:
+```
+127.0.0.1    petstore.swagger.io
+```
 
 ## git