Import input data for test of `survival.py`

The files are now sufficiently small to be imported.

Convert_Matlab/tests.json

@@ -40,6 +40,9 @@
     {
 	"title": "Survival", "command": "$src_dir/Convert_Matlab/survival.py",
 	"required":
-	["$PWD/Eurec4A/traj_anti.mat", "$PWD/Eurec4A/traj_cyclo.mat"]
+	[
+	    "$src_dir/Convert_Matlab/Eurec4A_OA/traj_anti.mat",
+	    "$src_dir/Convert_Matlab/Eurec4A_OA/traj_cyclo.mat"
+	]
     }
 ]