diff --git a/Overlap/Tests/short_tests.json b/Overlap/Tests/short_tests.json
index dae5256e0b6b4dff428dade6f9139956f1a66a7a..9a7566c466f8e53e7cc16e45ccb34df5fadf7f27 100644
--- a/Overlap/Tests/short_tests.json
+++ b/Overlap/Tests/short_tests.json
@@ -228,10 +228,8 @@
     {
         "input": "&MAIN_NML /\n",
         "title": "Eddy_graph",
-        "stdout": "eddy_graph_stdout.txt",
+	"env": {"mpiexec": "$mpiexec"},
         "command": [
-            "env",
-            "mpiexec=$mpiexec",
             "$build_dir/Overlap/eddy_graph.sh",
             "1",
             "$tests_old_dir/Inst_eddies_loop/SHPC_cyclo"
@@ -241,10 +239,8 @@
         "input": "&MAIN_NML /\n",
         "description": "Same as Eddy_graph but with 2 processes.",
         "title": "Eddy_graph_2",
-        "stdout": "eddy_graph_stdout.txt",
+	"env": {"mpiexec": "$mpiexec"},
         "command": [
-            "env",
-            "mpiexec=$mpiexec",
             "$build_dir/Overlap/eddy_graph.sh",
             "2",
             "$tests_old_dir/Inst_eddies_loop/SHPC_cyclo"
@@ -254,10 +250,8 @@
         "input": "&MAIN_NML MAX_DELTA = 2 /\n",
         "description": "Same as Eddy_graph but with max_delta = 2.",
         "title": "Eddy_graph_md2",
-        "stdout": "eddy_graph_stdout.txt",
+	"env": {"mpiexec": "$mpiexec"},
         "command": [
-            "env",
-            "mpiexec=$mpiexec",
             "$build_dir/Overlap/eddy_graph.sh",
             "1",
             "$tests_old_dir/Inst_eddies_loop/SHPC_cyclo"
@@ -267,10 +261,8 @@
         "input": "&MAIN_NML n_dates = 4/\n",
         "description": "Eddy_graph with a larger region.",
         "title": "Eddy_graph_region_2",
-        "stdout": "eddy_graph_stdout.txt",
+	"env": {"mpiexec": "$mpiexec"},
         "command": [
-            "env",
-            "mpiexec=$mpiexec",
             "$build_dir/Overlap/eddy_graph.sh",
             "1",
             "$tests_old_dir/Extraction_eddies_region_2_noise/SHPC_anti"
@@ -280,10 +272,8 @@
         "input": "&MAIN_NML n_dates = 4/\n",
         "description": "Same as Eddy_graph_region_2 but with 2 processes.",
         "title": "Eddy_graph_region_2_2",
-        "stdout": "eddy_graph_stdout.txt",
+	"env": {"mpiexec": "$mpiexec"},
         "command": [
-            "env",
-            "mpiexec=$mpiexec",
             "$build_dir/Overlap/eddy_graph.sh",
             "2",
             "$tests_old_dir/Extraction_eddies_region_2_noise/SHPC_anti"
@@ -293,10 +283,8 @@
         "input": "&MAIN_NML n_dates = 4, max_delta = 2/\n",
         "description": "Same as Eddy_graph_region_2 but with max_delta = 2.",
         "title": "Eddy_graph_r2md2",
-        "stdout": "eddy_graph_stdout.txt",
+	"env": {"mpiexec": "$mpiexec"},
         "command": [
-            "env",
-            "mpiexec=$mpiexec",
             "$build_dir/Overlap/eddy_graph.sh",
             "1",
             "$tests_old_dir/Extraction_eddies_region_2_noise/SHPC_anti"
@@ -306,10 +294,8 @@
         "input": "&MAIN_NML n_dates = 4, max_delta = 3/\n",
         "description": "Same as Eddy_graph_region_2 but with max_delta = 3.",
         "title": "Eddy_graph_r2md3",
-        "stdout": "eddy_graph_stdout.txt",
+	"env": {"mpiexec": "$mpiexec"},
         "command": [
-            "env",
-            "mpiexec=$mpiexec",
             "$build_dir/Overlap/eddy_graph.sh",
             "1",
             "$tests_old_dir/Extraction_eddies_region_2_noise/SHPC_anti"
@@ -319,10 +305,8 @@
         "input": "&MAIN_NML n_dates = 5, max_delta = 3/\n",
         "description": "Same as Eddy_graph_r2md3 but with n_dates = 5.",
         "title": "Eddy_graph_r2nd5md3",
-        "stdout": "eddy_graph_stdout.txt",
-        "command": [
-            "env",
-            "mpiexec=$mpiexec",
+ 	"env": {"mpiexec": "$mpiexec"},
+	"command": [
             "$build_dir/Overlap/eddy_graph.sh",
             "1",
             "$tests_old_dir/Extraction_eddies_region_2_noise/SHPC_anti"
@@ -332,10 +316,8 @@
         "input": "&MAIN_NML n_dates = 5, max_delta = 4/\n",
         "description": "Same as Eddy_graph_r2nd5md3 but with max_delta = 4.",
         "title": "EGr2nd5md4",
-        "stdout": "eddy_graph_stdout.txt",
+	"env": {"mpiexec": "$mpiexec"},
         "command": [
-            "env",
-            "mpiexec=$mpiexec",
             "$build_dir/Overlap/eddy_graph.sh",
             "1",
             "$tests_old_dir/Extraction_eddies_region_2_noise/SHPC_anti"
@@ -345,10 +327,8 @@
         "input": "&MAIN_NML n_dates = 6, max_delta = 4/\n",
         "description": "Same as EGr2nd5md4 but with n_dates = 6.",
         "title": "EGr2nd6md4",
-        "stdout": "eddy_graph_stdout.txt",
+	"env": {"mpiexec": "$mpiexec"},
         "command": [
-            "env",
-            "mpiexec=$mpiexec",
             "$build_dir/Overlap/eddy_graph.sh",
             "1",
             "$tests_old_dir/Extraction_eddies_region_2_noise/SHPC_anti"
@@ -358,10 +338,8 @@
         "input": "&MAIN_NML n_dates = 6/\n",
         "description": "Same as EGr2nd6md4 but with max_delta = 1.",
         "title": "EGr2nd6md1",
-        "stdout": "eddy_graph_stdout.txt",
+	"env": {"mpiexec": "$mpiexec"},
         "command": [
-            "env",
-            "mpiexec=$mpiexec",
             "$build_dir/Overlap/eddy_graph.sh",
             "1",
             "$tests_old_dir/Extraction_eddies_region_2_noise/SHPC_anti"
@@ -371,10 +349,8 @@
         "input": "&MAIN_NML n_dates = 6/\n",
         "description": "Same as EGr2nd6md1 but with 2 processes.",
         "title": "EGr2nd6md1np2",
-        "stdout": "eddy_graph_stdout.txt",
+	"env": {"mpiexec": "$mpiexec"},
         "command": [
-            "env",
-            "mpiexec=$mpiexec",
             "$build_dir/Overlap/eddy_graph.sh",
             "2",
             "$tests_old_dir/Extraction_eddies_region_2_noise/SHPC_anti"
@@ -384,10 +360,8 @@
         "input": "&MAIN_NML n_dates = 6/\n",
         "description": "Same as EGr2nd6md1 but with 3 processes.",
         "title": "EGr2nd6md1np3",
-        "stdout": "eddy_graph_stdout.txt",
+	"env": {"mpiexec": "$mpiexec"},
         "command": [
-            "env",
-            "mpiexec=$mpiexec",
             "$build_dir/Overlap/eddy_graph.sh",
             "3",
             "$tests_old_dir/Extraction_eddies_region_2_noise/SHPC_anti"
@@ -397,10 +371,8 @@
         "input": "&MAIN_NML /\n",
         "description": "Same as EGr2nd6md1 but with all the 15 dates.",
         "title": "EGr2nd15md1",
-        "stdout": "eddy_graph_stdout.txt",
+	"env": {"mpiexec": "$mpiexec"},
         "command": [
-            "env",
-            "mpiexec=$mpiexec",
             "$build_dir/Overlap/eddy_graph.sh",
             "1",
             "$tests_old_dir/Extraction_eddies_region_2_noise/SHPC_anti"
@@ -410,10 +382,8 @@
         "input": "&MAIN_NML max_delta = 2 /\n",
         "description": "Same as EGr2nd15md1 but with max_delta = 2.",
         "title": "EGr2nd15md2",
-        "stdout": "eddy_graph_stdout.txt",
+	"env": {"mpiexec": "$mpiexec"},
         "command": [
-            "env",
-            "mpiexec=$mpiexec",
             "$build_dir/Overlap/eddy_graph.sh",
             "1",
             "$tests_old_dir/Extraction_eddies_region_2_noise/SHPC_anti"
@@ -423,10 +393,8 @@
         "input": "&MAIN_NML max_delta = 3 /\n",
         "description": "Same as EGr2nd15md1 but with max_delta = 3.",
         "title": "EGr2nd15md3",
-        "stdout": "eddy_graph_stdout.txt",
+	"env": {"mpiexec": "$mpiexec"},
         "command": [
-            "env",
-            "mpiexec=$mpiexec",
             "$build_dir/Overlap/eddy_graph.sh",
             "1",
             "$tests_old_dir/Extraction_eddies_region_2_noise/SHPC_anti"
@@ -436,10 +404,8 @@
         "input": "&MAIN_NML max_delta = 4 /\n",
         "description": "Same as EGr2nd15md1 but with max_delta = 4.",
         "title": "EGr2nd15md4",
-        "stdout": "eddy_graph_stdout.txt",
+	"env": {"mpiexec": "$mpiexec"},
         "command": [
-            "env",
-            "mpiexec=$mpiexec",
             "$build_dir/Overlap/eddy_graph.sh",
             "1",
             "$tests_old_dir/Extraction_eddies_region_2_noise/SHPC_anti"
@@ -449,10 +415,8 @@
         "input": "&MAIN_NML max_delta = 4 /\n",
         "description": "Same as EGr2nd15md4 but with 2 processes.",
         "title": "EGr2nd15md4np2",
-        "stdout": "eddy_graph_stdout.txt",
+	"env": {"mpiexec": "$mpiexec"},
         "command": [
-            "env",
-            "mpiexec=$mpiexec",
             "$build_dir/Overlap/eddy_graph.sh",
             "2",
             "$tests_old_dir/Extraction_eddies_region_2_noise/SHPC_anti"
@@ -462,10 +426,8 @@
         "input": "&MAIN_NML max_delta = 4 /\n",
         "description": "Same as EGr2nd15md4 but with 3 processes.",
         "title": "EGr2nd15md4np3",
-        "stdout": "eddy_graph_stdout.txt",
+	"env": {"mpiexec": "$mpiexec"},
         "command": [
-            "env",
-            "mpiexec=$mpiexec",
             "$build_dir/Overlap/eddy_graph.sh",
             "3",
             "$tests_old_dir/Extraction_eddies_region_2_noise/SHPC_anti"
@@ -475,10 +437,8 @@
         "input": "&MAIN_NML max_delta = 4 /\n",
         "description": "Same as EGr2nd15md4np3 but for cyclones.",
         "title": "EGr2nd15md4np3_cyclo",
-        "stdout": "eddy_graph_stdout.txt",
+	"env": {"mpiexec": "$mpiexec"},
         "command": [
-            "env",
-            "mpiexec=$mpiexec",
             "$build_dir/Overlap/eddy_graph.sh",
             "3",
             "$tests_old_dir/Extraction_eddies_region_2_noise/SHPC_cyclo"
@@ -488,10 +448,8 @@
         "input": "&MAIN_NML max_delta = 4 /\n",
         "description": "Same as EGr2nd15md4 but with a larger region.",
         "title": "EGr5np1",
-        "stdout": "eddy_graph_stdout.txt",
+	"env": {"mpiexec": "$mpiexec"},
         "command": [
-            "env",
-            "mpiexec=$mpiexec",
             "$build_dir/Overlap/eddy_graph.sh",
             "1",
             "$PWD/Inst_eddies_4_anti"
@@ -501,10 +459,8 @@
         "input": "&MAIN_NML max_delta = 4 /\n",
         "description": "Same as EGr5np1 but with 3 processes.",
         "title": "EGr5np3",
-        "stdout": "eddy_graph_stdout.txt",
+	"env": {"mpiexec": "$mpiexec"},
         "command": [
-            "env",
-            "mpiexec=$mpiexec",
             "$build_dir/Overlap/eddy_graph.sh",
             "3",
             "$PWD/Inst_eddies_4_anti"