```factor
! Copyright (C) 2009 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: tools.test core-graphics kernel ;
IN: core-graphics.tests

[ ] [ 100 200 [ drop ] with-bitmap-context ] unit-test```

Fix core graphics unit test
user
```factor
! Copyright (C) 2009 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: tools.test core-graphics kernel byte-arrays ;
IN: core-graphics.tests

[ t ] [ 100 200 [ drop ] with-bitmap-context byte-array? ] unit-test```
assistant