Unexpected output on stderr:
Could not find foreign method 'noSet' for class Slots in module './test/api/slots'.
Unexpected output on stderr:
[./test/api/slots line 2] in <script>
Expected return code 0 and got 70. Stderr:
Could not find foreign method 'noSet' for class Slots in module './test/api/slots'.
[./test/api/slots line 2] in <script>

Missing expected output "true" on line 19.
Missing expected output "true" on line 23.
Missing expected output "true" on line 26.
Missing expected output "true" on line 29.
Missing expected output "1 -> 20 (190)" on line 32.
Missing expected output "0 -> 20 (190)" on line 35.
Missing expected output "3" on line 38.
Missing expected output "Huey" on line 39.
Missing expected output "Dewey" on line 40.
Missing expected output "London" on line 49.
Missing expected output "Cardiff" on line 50.
Missing expected output "null" on line 51.