```factor
IN: tools.vocabs.browser.tests
USING: tools.vocabs.browser tools.test help.markup ;

[ ] [ { $describe-vocab "scratchpad" } print-content ] unit-test
```

Add a failing unit test
user
```factor
IN: tools.vocabs.browser.tests
USING: tools.vocabs.browser tools.test help.markup help vocabs ;

[ ] [ { $vocab "scratchpad" } print-content ] unit-test
[ ] [ "classes" vocab print-topic ] unit-test```
assistant