Megatest

    ;;======================================================================
    
    (if (not (null? test-names))
	(let loop ((hed (car test-names))
		   (tal (cdr test-names)))         ;; 'return-procs tells the config reader to prep running system but return a proc
	  (change-directory *toppath*) ;; PLEASE OPTIMIZE ME!!! I think this should be a no-op but there are several places where change-directories could be happening.
	  (setenv "MT_TEST_NAME" hed) ;; 
	  (let* ((config  (tests:get-testconfig hed all-tests-registry 'return-procs))
		 (waitons (let ((instr (if config 
					   (config-lookup config "requirements" "waiton")
					   (begin ;; No config means this is a non-existant test
					     (debug:print 0 "ERROR: non-existent required test \"" hed "\"")
					     (exit 1)))))
			    (debug:print-info 8 "waitons string is " instr)
			    (let ((newwaitons
				   (string-split (cond
						  ((procedure? instr)
						   (let ((res (instr)))
						     (debug:print-info 8 "waiton procedure results in string " res " for test " hed)
						     res))
						  ((string? instr)     instr)
						  (else 
						   ;; NOTE: This is actually the case of *no* waitons! ;; (debug:print 0 "ERROR: something went wrong in processing waitons for test " hed)
						   "")))))
			      (filter (lambda (x)
					(if (hash-table-ref/default all-tests-registry x #f)
					    #t
					    (begin
					      (debug:print 0 "ERROR: test " hed " has unrecognised waiton testname " x)
					      #f)))
				      newwaitons)))))
	    (debug:print-info 8 "waitons: " waitons)
	    ;; check for hed in waitons => this would be circular, remove it and issue an
	    ;; error

	    (if (member hed waitons)
		(begin
		  (debug:print 0 "ERROR: test " hed " has listed itself as a waiton, please correct this!")
		  (set! waitons (filter (lambda (x)(not (equal? x hed))) waitons))))

	    
	    ;; (items   (items:get-items-from-config config)))
	    (if (not (hash-table-ref/default test-records hed #f))
		(hash-table-set! test-records
				 hed (vector hed     ;; 0
					     config  ;; 1
					     waitons ;; 2

						((or (list? items)(list? itemstable)) ;; calc now
						 (debug:print-info 4 "items and itemstable are lists, calc now\n"
								   "    items: " items " itemstable: " itemstable)
						 (items:get-items-from-config config))
						(else #f)))                           ;; not iterated
					     #f      ;; itemsdat 5
					     #f      ;; spare - used for item-path

					     )))
	    (for-each 
	     (lambda (waiton)
	       (if (and waiton (not (member waiton test-names)))
		   (let* ((waiton-record   (hash-table-ref/default test-records waiton #f))
			  (waiton-tconfig  (if waiton-record (vector-ref waiton-record 1) #f))
			  (waiton-itemized (and waiton-tconfig

			 
		     ;; NOPE: didn't work. required needs to be plain test names. Try tacking on to test-patts
		     ;;  - doesn't work
		     ;; (set! test-patts (conc test-patts "," waiton "/"))
		     
		     ;; (set! test-names (cons waiton test-names))))) ;; was an append, now a cons
		     )))
	     waitons)
	    (let ((remtests (delete-duplicates (append waitons tal))))
	      (if (not (null? remtests))
		  (begin
		    ;; (debug:print-info 0 "Preprocessing continues for " (string-intersperse remtests ", "))
		    (loop (car remtests)(cdr remtests))))))))

    (if (not (null? required-tests))

	  '()
	  reg)))

(define runs:nothing-left-in-queue-count 0)

(define (runs:expand-items hed tal reg reruns regfull newtal jobgroup max-concurrent-jobs run-id waitons item-path testmode test-record can-run-more items runname tconfig reglen test-registry test-records itemmaps)
  (let* ((loop-list       (list hed tal reg reruns))
	 (prereqs-not-met (rmt:get-prereqs-not-met run-id waitons item-path mode: testmode itemmaps: itemmaps))
	 ;; (prereqs-not-met (mt:lazy-get-prereqs-not-met run-id waitons item-path mode: testmode itemmap: itemmap))
	 (fails           (runs:calc-fails prereqs-not-met))
	 (prereq-fails    (runs:calc-prereq-fail prereqs-not-met))
	 (non-completed   (runs:calc-not-completed prereqs-not-met))
	 (runnables       (runs:calc-runnable prereqs-not-met)))
    (debug:print-info 4 "START OF INNER COND #2 "
		      "\n can-run-more:    " can-run-more

(define (runs:process-expanded-tests hed tal reg reruns reglen regfull test-record runname test-name item-path jobgroup max-concurrent-jobs run-id waitons item-path testmode test-patts required-tests test-registry registry-mutex flags keyvals run-info newtal all-tests-registry itemmaps)
  (let* ((run-limits-info         (runs:can-run-more-tests run-id jobgroup max-concurrent-jobs)) ;; look at the test jobgroup and tot jobs running
	 (have-resources          (car run-limits-info))
	 (num-running             (list-ref run-limits-info 1))
	 (num-running-in-jobgroup (list-ref run-limits-info 2)) 
	 (max-concurrent-jobs     (list-ref run-limits-info 3))
	 (job-group-limit         (list-ref run-limits-info 4))
	 (prereqs-not-met         (rmt:get-prereqs-not-met run-id waitons item-path mode: testmode itemmaps: itemmaps))
	 ;; (prereqs-not-met         (mt:lazy-get-prereqs-not-met run-id waitons item-path mode: testmode itemmap: itemmap))
	 (fails                   (runs:calc-fails prereqs-not-met))
	 (non-completed           (filter (lambda (x)             ;; remove hed from not completed list, duh, of course it is not completed!
					    (not (equal? x hed)))
					  (runs:calc-not-completed prereqs-not-met)))
	 (loop-list               (list hed tal reg reruns))
	 ;; configure the load runner