Add tests for `stat.py`

Inst_eddies/Analysis/tests.json

@@ -102,5 +102,22 @@
 	    "$tests_old_dir/Inst_eddies_loop/SHPC_cyclo",
 	    "$tests_old_dir/Inst_eddies_loop/SHPC_anti"
 	]
+    },
+    {
+	"title": "Stats",
+	"command":
+	[
+	    "$src_dir/Inst_eddies/Analysis/stat.py",
+	    "$tests_old_dir/Inst_eddies_py/SHPC_anti"
+	]
+    },
+    {
+	"title": "Stats_Matlab",
+	"description": "With an SHPC made from conversion of Matlab data.",
+	"command":
+	[
+	    "$src_dir/Inst_eddies/Analysis/stat.py",
+	    "$tests_old_dir/Inst_eddies_v6_global/SHPC_anti"
+	]
     }
 ]