diff -r 0e591f806290 -r 8a34b2ebc8cc testing3/knight_test7.scala
--- a/testing3/knight_test7.scala	Tue Dec 03 11:07:09 2019 +0000
+++ b/testing3/knight_test7.scala	Mon Jan 27 10:18:13 2020 +0000
@@ -27,6 +27,6 @@
   correct_urban(6)(p) &&  moves_urban(p.head).contains(p.last)
 
 
-val tsc = first_closed_tour_heuristic(6, List((3, 3))).get
+val tsc = first_closed_tour_heuristics(6, List((3, 3))).get
 assert(correct_closed_urban(6)(tsc) == true)