diff --git a/testing/vcs/test_vcs_dump_json.json b/testing/vcs/test_vcs_dump_json.json
index b79b1319c3..c60c501286 100644
--- a/testing/vcs/test_vcs_dump_json.json
+++ b/testing/vcs/test_vcs_dump_json.json
@@ -1,6 +1,6 @@
 {
  "G1d": {
-  "Charles.Doutriaux": {
+  "vcs_instance": {
    "colormap": null, 
    "datawc_calendar": 135441, 
    "datawc_timeunits": "days since 2000", 
@@ -29,7 +29,7 @@
   }
  }, 
  "Gfb": {
-  "Charles.Doutriaux": {
+  "vcs_instance": {
    "boxfill_type": "linear", 
    "color_1": 16, 
    "color_2": 239, 
@@ -70,7 +70,7 @@
   }
  }, 
  "Gfi": {
-  "Charles.Doutriaux": {
+  "vcs_instance": {
    "colormap": null, 
    "datawc_calendar": 135441, 
    "datawc_timeunits": "days since 2000", 
@@ -110,7 +110,7 @@
   }
  }, 
  "Gfm": {
-  "Charles.Doutriaux": {
+  "vcs_instance": {
    "colormap": null, 
    "datawc_calendar": 135441, 
    "datawc_timeunits": "days since 2000", 
@@ -153,7 +153,7 @@
   }
  }, 
  "Gi": {
-  "Charles.Doutriaux": {
+  "vcs_instance": {
    "angle": [
     35.0
    ], 
@@ -211,7 +211,7 @@
   }
  }, 
  "P": {
-  "Charles.Doutriaux": {
+  "vcs_instance": {
    "box1": {
     "line": "default", 
     "priority": 1, 
@@ -579,7 +579,7 @@
   }
  }, 
  "Proj": {
-  "Charles.Doutriaux": {
+  "vcs_instance": {
    "parameters": [
     1e+20, 
     1e+20, 
@@ -601,7 +601,7 @@
   }
  }, 
  "Tf": {
-  "Charles.Doutriaux": {
+  "vcs_instance": {
    "color": [
     1
    ], 
@@ -632,7 +632,7 @@
   }
  }, 
  "Tl": {
-  "Charles.Doutriaux": {
+  "vcs_instance": {
    "color": [
     1
    ], 
@@ -662,7 +662,7 @@
   }
  }, 
  "Tm": {
-  "Charles.Doutriaux": {
+  "vcs_instance": {
    "color": [
     1
    ], 
@@ -691,7 +691,7 @@
   }
  }, 
  "To": {
-  "Charles.Doutriaux": {
+  "vcs_instance": {
    "angle": 0, 
    "halign": 0, 
    "height": 14, 
@@ -700,7 +700,7 @@
   }
  }, 
  "Tt": {
-  "Charles.Doutriaux": {
+  "vcs_instance": {
    "backgroundcolor": 0, 
    "backgroundopacity": 0, 
    "color": 1, 
@@ -730,4 +730,4 @@
    "y": null
   }
  }
-}
\ No newline at end of file
+}
diff --git a/testing/vcs/test_vcs_dump_json.py b/testing/vcs/test_vcs_dump_json.py
index aca6215b89..9247b2d385 100644
--- a/testing/vcs/test_vcs_dump_json.py
+++ b/testing/vcs/test_vcs_dump_json.py
@@ -1,33 +1,33 @@
 
 import filecmp
 import vcs,numpy,os,sys
-src=sys.argv[1]
+src = sys.argv[1]
 if os.path.exists("test_vcs_dump_json.json"):
     os.remove("test_vcs_dump_json.json")
 
-b = vcs.createboxfill("Charles.Doutriaux")
+b = vcs.createboxfill("vcs_instance")
 b.script("test_vcs_dump_json","a")
-b = vcs.createisofill("Charles.Doutriaux")
+b = vcs.createisofill("vcs_instance")
 b.script("test_vcs_dump_json","a")
-b = vcs.createisoline("Charles.Doutriaux")
+b = vcs.createisoline("vcs_instance")
 b.script("test_vcs_dump_json","a")
-b = vcs.createmeshfill("Charles.Doutriaux")
+b = vcs.createmeshfill("vcs_instance")
 b.script("test_vcs_dump_json","a")
-b = vcs.create1d("Charles.Doutriaux")
+b = vcs.create1d("vcs_instance")
 b.script("test_vcs_dump_json","a")
-b = vcs.createfillarea("Charles.Doutriaux")
+b = vcs.createfillarea("vcs_instance")
 b.script("test_vcs_dump_json","a")
-b = vcs.createtext("Charles.Doutriaux")
+b = vcs.createtext("vcs_instance")
 b.script("test_vcs_dump_json","a")
-b = vcs.createline("Charles.Doutriaux")
+b = vcs.createline("vcs_instance")
 b.script("test_vcs_dump_json","a")
-b = vcs.createmarker("Charles.Doutriaux")
+b = vcs.createmarker("vcs_instance")
 b.script("test_vcs_dump_json","a")
-b = vcs.createtemplate("Charles.Doutriaux")
+b = vcs.createtemplate("vcs_instance")
 b.script("test_vcs_dump_json","a")
-b = vcs.createprojection("Charles.Doutriaux")
+b = vcs.createprojection("vcs_instance")
 b.script("test_vcs_dump_json","a")
 
-assert(filecmp.cmp("test_vcs_dump_json.json",src))
+assert(filecmp.cmp("test_vcs_dump_json.json", src))