Feature: Use path to testfiles instead of copying testfiles to build directory#2167

lenaploetzke wants to merge 1 commit intomainDLR-AMR/t8code:mainfrom

1417-new-use-path-to-testfiles-instead-of-copying-testfiles-to-build-directoryDLR-AMR/t8code:1417-new-use-path-to-testfiles-instead-of-copying-testfiles-to-build-directoryCopy head branch name to clipboard