(progn
(util.test:test (my-getenv "_FOO_") nil :fail-info "Error retrieving non-existent getenv")
(util.test:test (and (stringp (my-getenv "USER"))
(progn
(util.test:test (my-getenv "_FOO_") nil :fail-info "Error retrieving non-existent getenv")
(util.test:test (and (stringp (my-getenv "USER"))