Add test `Speed_proj`

Inst_eddies/Tests/short_tests.json

@@ -487,5 +487,23 @@
 	"input": "&MAIN_NML CYCLONE=f DATE = 20454 EDDY_I_TARGET = 55/\n",
 	"symlink":
 	["$tests_old_dir/Extraction_eddies_region_5/config_nml.txt"]
+    },
+    "Speed_proj":
+    {
+	"description":
+	"Test of the transition to interpolating speed in projection coordinates.",
+	"commands":
+	[
+            ["mkdir", "-p", "SHPC/Slice_0/Anticyclones"],
+	    [
+		"$build_dir/Inst_eddies/Tests/examine_eddy",
+		"$src_dir/Inst_eddies/Tests/Input/Region_1/huv_region_1_2006_01_01.nc",
+		"$src_dir/Inst_eddies/Tests/Input/Region_1/huv_region_1_2006_01_01.nc",
+		"$tests_old_dir/Extraction_eddies_region_1_noise/SHPC/Slice_0"
+	    ]
+	],
+	"input": "&MAIN_NML CYCLONE=f DATE=20454 EDDY_I_TARGET=3/\n",
+	"symlink":
+	["$tests_old_dir/Extraction_eddies_region_1_noise/config_nml.txt"]
     }
 }