include stdout into the detail-float

README.md

@@ -42,6 +42,7 @@ which emits one JSON object per line:
   "titlePath": ["Parent", "Child", "Test"],
   "file": "/path/to/test.js",
   "location": { "file": "/path/to/test.js", "line": 10, "column": 5 },
+  "output": ["stdout line 1", "stdout line 2"],
   "error": { "message": "string", "stack": "string" }
 }
 ```