Megatest

	   (getenv "MT_TARGET")
	   (getenv "MT_RUNNAME")
	   (getenv "MT_TEST_NAME")
	   (getenv "MT_ITEMPATH"))
      (conc (getenv "MT_LINKTREE")  "/"
	    (getenv "MT_TARGET")    "/"
	    (getenv "MT_RUNNAME")   "/"
	    (getenv "MT_TEST_NAME") "/"
	    (if (or (getenv "MT_ITEMPATH")
		    (not (string=? "" (getenv "MT_ITEMPATH"))))
		(conc "/" (getenv "MT_ITEMPATH"))))
	    (getenv "MT_TEST_NAME")
	    (if (and (getenv "MT_ITEMPATH")
                     (not (string=? "" (getenv "MT_ITEMPATH"))))
		(conc "/" (getenv "MT_ITEMPATH"))
                ""))
      #f))

;; if .testconfig exists in test directory read and return it
;; else if have cached copy in *testconfigs* return it IFF there is a section "have fulldata"
;; else read the testconfig file
;;   if have path to test directory save the config as .testconfig and return it
;;