diff --git a/Trajectories/Tests/tests.json b/Trajectories/Tests/tests.json
index f69e57f573e64eef3abbe7f0f91fa992512b01f6..7e75c22e3ce87bc85b98c6d6ff87d545cb4e675c 100644
--- a/Trajectories/Tests/tests.json
+++ b/Trajectories/Tests/tests.json
@@ -218,5 +218,40 @@
 	    "$src_dir/Trajectories/trajectories.py",
 	    "$src_dir/Trajectories/Tests/component_69684840.graphml"
 	]
+    },
+    "Cost_function_avg_date":
+    {
+	"command": [
+            "$src_dir/Trajectories/cost_function.py",
+            "$tests_old_dir/Extraction_eddies_region_2_noise/SHPC",
+            "Anticyclones",
+            "$tests_old_dir/Segments/segments.graphml",
+            "segments_cost_functions.graphml", "--debug"
+	],
+	"sel_diff_args": {"exclude": ["timings.txt"]},
+	"description": "Same as test Cost_functions except without option --avg_fix."
+    },
+    "Greece_date": {
+	"description": "Same as test Greece_cost_function except without option --avg_fix.",
+	"command": [
+            "$src_dir/Trajectories/cost_function.py",
+            "$tests_old_dir/Greece/SHPC",
+            "Anticyclones",
+            "$tests_old_dir/Greece_segments/segments.graphml",
+            "segments_cost_functions.graphml", "--debug"
+	],
+	"sel_diff_args": {"exclude": ["timings.txt"]}
+    },
+    "Eurec4A_cost_date":
+    {
+	"description":
+	"Same as test Eurec4A_cost except without option --avg_fix.",
+	"command":
+	[
+	    "$src_dir/Trajectories/cost_function.py",
+	    "$my_data_dir/Eurec4A/SHPC", "Anticyclones",
+	    "$tests_old_dir/Eurec4A_segments/segments.graphml",
+	    "segments_cost.graphml"
+	]
     }
 }