!LAUNCH: python ../../fuse.py ../../../algo/tests/data/no_clones.vidjil ../../../algo/tests/data/results-two-clones-1-2.vidjil -o fused_no_clones.vidjil; cat fused_no_clones.vidjil
$ Fuse the three files 2: ListWindows: .0, 1000. $ Check the producer string in output file 1: "producer": "vidjil fuse"