Add test `Region_5_15_days`

We import in the test infrastructure the experiment `Inst_eddies_4`
because we want to no longer keep invalid contours, so we will need to
update the experiment.

Inst_eddies/Tests/long_tests.json

@@ -125,5 +125,18 @@
 	    "$large_input_dir/dt_global_allsat_phy_l4_19930101_20210726.nc"
 	],
         "create_file": ["config_nml.txt", "&config_nml /\n"]
+    },
+    {
+	"title": "Region_5_15_days",
+	"description":"This is used in several tests if overlap.",
+	"command":
+	[
+	    "$build_dir/Inst_eddies/inst_eddies_Aviso.py",
+	    "--template=dt_global_allsat_phy_l4_%Y%m%d_20210726.nc",
+	    "--last_date=2006-01-15", "--bbox", "0.125", "29.875", "-59.875",
+	    "-15.125",
+	    "$large_input_dir/dt_global_allsat_phy_l4_20060101_20210726.nc"
+	],
+        "create_file": ["config_nml.txt", "&config_nml /\n"]
     }
 ]