ECL tests don't compile

[dtenny]

ECL (Embeddable Common-Lisp) 26.5.5
Fedora 42, X86_64

(asdf:test-system :lparallel/test)

;;;
;;; Compiling /home/dave/.quicklisp/dists/ultralisp/software/sharplispers-lparallel-20250823103441/test/cognate-test.lisp.
;;; OPTIMIZE levels: Safety=2, Space=0, Speed=3, Debug=0
;;;
;;; Error:
;;;   in file cognate-test.lisp, position 17056
;;;   at (FULL-TEST PLET-TYPE-DECLARATION-TEST ...)
;;;   * The macro form (LPARALLEL.COGNATE::%PLET ((X 3)) ((DECLARE (FIXNUM X)) (IS (= 3 X)))) was not expanded successfully.
;;; Error detected:
;;; The function TRIVIAL-CLTL2:DECLARATION-INFORMATION is undefined.