Your code picks the current user session to get the result. So, the current user may not have to read permission to those content paths.Alternatively, could you print the query in the logs by your code and then run it in the CRXDE query tool? 

Check Dispatcher Flush Replication Agents to be set up on AEM Author. If your Dispatcher Flush agents reside on AEM Publish, you must set up a parallel set on AEM Author with the setting of Ignore Default to be checked.

Check https://experienceleague.adobe.com/docs/experience-manager-cloud-service/content/headless/graphql-api/graphiql-ide.html?lang=en for GraphQL. 

There are three things in your case:1. Provide current resource.   Missing in your codecontext.currentResource2. Provide a resource for config.       context.create().resource3. Config valuesMockContextAwareConfig.writeConfiguration 

@ponugop : Try creating a user with a different user id and see if the same problem exists.

Is this happening on the local AEM cloud sdk jar or AEM as a cloud environment?

It seems the user already exists as shown in the logs:Authorizable with ID guest already exists

Check https://developer.adobe.com/developer-console/docs/guides/authentication/JWT/ for token.

@vasgurug : Check https://experienceleague.adobe.com/docs/experience-manager-65/deploying/restructuring/sites-repository-restructuring-in-aem-6-5.html?lang=en for repository structuring in AEM 6.5

Try to upgrade Maven version and also check if Java 11 is being used.