fix(tests): emit correct lines from transform (#282)

Author: juanjoDiaz

lib/JSON2CSVTransform.js

@@ -154,7 +154,7 @@ class JSON2CSVTransform extends Transform {
       if (line === undefined) return;
       const eoledLine = (this._hasWritten ? this.opts.eol : '')
         + line;
-      this.emit('line', eoledLine);
+      this.emit('line', line);
       this.push(eoledLine);
       this._hasWritten = true;
     });