arbitrary-join

Minimal not working example for this stackoverflow question.

Scenario

Before

1. POST /foo
   
   {"someField" : 5}

2. POST /bar
   
   {"someField" : 5}

When

1. GET /foo

Then

1. [{
     "someField" : 5,
     "bars" : [{
       "someField" : 5
     }]
   }]