diff --git a/samples/time_dep_edge_profiles_last_step_only.json.dvc b/samples/time_dep_edge_profiles_last_step_only.json.dvc
index 67f20fd..299351c 100644
--- a/samples/time_dep_edge_profiles_last_step_only.json.dvc
+++ b/samples/time_dep_edge_profiles_last_step_only.json.dvc
@@ -1,12 +1,12 @@
-md5: 3ea764e4095ca2b8a5359cd76259e26a
+md5: cdd59460686d5d4ee901e1f9339f480d
 frozen: true
 deps:
 - path: ITER_Lore_2296_00000/IMAS/time_dep_edge_profiles_last_step_only.json
   repo:
     url: git@github.com:ProjectTorreyPines/SOLPSTestSamples.git
-    rev_lock: 88f14955a52cd4d4fd7e86e2274436a34f4203ec
+    rev_lock: cf392d9f0292d4f4da4c027f5cc9b2a640fa7fb8
 outs:
-- md5: db47dee590648770a5ce49c0e0706acf
-  size: 4087084
+- md5: 3c54b821ce167c41f270999e77a6602c
+  size: 11793595
   hash: md5
   path: time_dep_edge_profiles_last_step_only.json
diff --git a/samples/time_dep_edge_profiles_with_interferometer.json.dvc b/samples/time_dep_edge_profiles_with_interferometer.json.dvc
index c45c30b..72d3c7a 100644
--- a/samples/time_dep_edge_profiles_with_interferometer.json.dvc
+++ b/samples/time_dep_edge_profiles_with_interferometer.json.dvc
@@ -1,12 +1,12 @@
-md5: fb9792d06bb5d13f3a8803654b78624c
+md5: 6aa2ce8a23a582ee8cc1aa3d030070f2
 frozen: true
 deps:
 - path: ITER_Lore_2296_00000/IMAS/time_dep_edge_profiles_with_interferometer.json
   repo:
     url: git@github.com:ProjectTorreyPines/SOLPSTestSamples.git
-    rev_lock: 80688afd131b17455c3320a4485bbf2b7a55c80c
+    rev_lock: 790f37427d8e6809449684e4f1d518eab626e780
 outs:
-- md5: 610272ceabe4a62dd776e0f3c08d2036
-  size: 40662828
+- md5: bba50e6afd5cfba436a0b0927a9d5bc9
+  size: 41544711
   hash: md5
   path: time_dep_edge_profiles_with_interferometer.json
diff --git a/test/runtests.jl b/test/runtests.jl
index 9ee24ab..ce8c153 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -66,7 +66,7 @@ if args["interp"]
         @test abs.((grid_val .- searched_val) ./ grid_val) < allowed_rtol
 
         # test interp(prop_arr, space, subset)
-        subset = get_grid_subset(grid_ggd, 5)
+        subset = get_grid_subset(grid_ggd, -5)
         print("interp(prop_arr, space, subset) time: ")
         @time get_n_e =
             interp(ids.edge_profiles.ggd[1].electrons.density, space, subset)
@@ -75,7 +75,7 @@ if args["interp"]
 
         # test interp(prop_arr, grid_ggd, grid_subset_index)
         print("interp(prop_arr, grid_ggd, grid_subset_index) time: ")
-        @time get_n_e = interp(ids.edge_profiles.ggd[1].electrons.density, grid_ggd, 5)
+        @time get_n_e = interp(ids.edge_profiles.ggd[1].electrons.density, grid_ggd, -5)
         searched_val = get_n_e(cell_center...)
         @test abs.((grid_val .- searched_val) ./ grid_val) < allowed_rtol
 
@@ -128,7 +128,7 @@ if args["projection"]
         space = ids.edge_profiles.grid_ggd[1].space[1]
         prop = ids.edge_profiles.ggd[1].electrons.density
         # All cells
-        from_subset = get_grid_subset(ids.edge_profiles.grid_ggd[1], 5)
+        from_subset = get_grid_subset(ids.edge_profiles.grid_ggd[1], -5)
         # separatix
         to_subset = get_grid_subset(ids.edge_profiles.grid_ggd[1], 16)
         print("project_prop_on_subset!(prop, from_subset, to_subset, space) time: ")