Add test `Inst_eddies_v6_global`

Convert_Matlab/long_tests.json

@@ -8,5 +8,16 @@
 	    "2019-12-16"
 	],
 	"required": ["$src_dir/Convert_Matlab/inst_eddies.m"]
+    },
+    {
+	"title": "Inst_eddies_v6_global",
+	"description":
+	"On a global file to test the processing of ghost eddies.",
+	"command":
+	[
+	    "$src_dir/Convert_Matlab/inst_eddies_v6.py",
+	    "/proju/lmd-oce/data/TOEddies/Global/Delayed-Time/Eddies/adt_19930101.mat"
+	],
+	"required": ["$src_dir/Convert_Matlab/inst_eddies.m"]
     }
 ]