Symlink to the original file

`Region_1_20454_cyclone_3/config_nml.txt` is a symlink to
`Extraction_eddies_region_1_noise/config_nml.txt`.

Inst_eddies/Tests/short_tests.json

@@ -44,7 +44,7 @@
 	"symlink":
 	[
 	    "$tests_old_dir/Region_1_20454_cyclone_3/outside_points.csv",
-	    "$tests_old_dir/Region_1_20454_cyclone_3/config_nml.txt"
+	    "$tests_old_dir/Extraction_eddies_region_1_noise/config_nml.txt"
 	],
 	"commands": [
             ["mkdir", "-p", "SHPC/Slice_0/Cyclones"],
@@ -387,7 +387,7 @@
 	"symlink":
         [
 	    "$tests_old_dir/Region_1_20454_cyclone_3/outside_points.csv",
-	    "$tests_old_dir/Region_1_20454_cyclone_3/config_nml.txt"
+	    "$tests_old_dir/Extraction_eddies_region_1_noise/config_nml.txt"
 	],
 	"commands": [
             [