org.mule.runtime.module.deployment.impl.internal.classloader.MuleClassNotFoundException: Couldn't find class: test.OverrideMe 
 ------------------------
| Runtime Class Loader |
------------------------
           ^            
           |            
------------------------
|   Domain Region CL   |
------------------------
           |            
            ------------> ------------------------
           |              | Domain Class Loader  |
           |              ------------------------
           ^            
           |            
------------------------
|    App Region CL     |
------------------------
           |            
            ------------> ------------------------
                          |   App Class Loader   |
                          ------------------------
 
 Current classloader in context is (App Class Loader) 
 The class exists in the following context (Domain Class Loader) but is not exported. Try exporting the package where the class by modifying the mule-artifact.json file