Run `trajectories.py` without all properties

Run `trajectories.py` from a graph-tool file which does not contain
all the properties.

Trajectories/Tests/tests.json

@@ -92,7 +92,7 @@
 	"description": "A larger case than Trajectories.",
 	"command": [
             "$src_dir/Trajectories/trajectories.py",
-            "$tests_old_dir/Greece_cost_function/segments_cost_functions.graphml"
+            "$tests_old_dir/Cost_function_no_debug/segments_cost_functions.graphml"
 	]
     },
     "Draw_segments":