(assert (subtypep (find-class 'stream) (find-class t)))
(assert (subtypep (find-class 'fundamental-stream) 'stream))
(assert (not (subtypep 'stream 'fundamental-stream)))))
(assert (subtypep (find-class 'stream) (find-class t)))
(assert (subtypep (find-class 'fundamental-stream) 'stream))
(assert (not (subtypep 'stream 'fundamental-stream)))))