turtle test: refactor to overwritingSimpleScoreCalculatorClass()
(cherry picked from commit 453de7a67e6f7eee2e1999829ffd33a980b97b58)
ImportDirSolveAllTurtleTest (to improve VRP turtle testing)
(cherry picked from commit 4a6d6eb4f36e2d71688fb7ff45d60acdd19ac2bb)