diff --git a/web/gui/src/test/_karma/ev/mojo/scenario.json b/web/gui/src/test/_karma/ev/mojo/scenario.json
new file mode 100644
index 0000000..a9a1e50
--- /dev/null
+++ b/web/gui/src/test/_karma/ev/mojo/scenario.json
@@ -0,0 +1,13 @@
+{
+  "comments": [
+    "Tweaking Mojo Colors"
+  ],
+  "title": "Color-Tweaking Scenario for Mojo Palette",
+  "params": {
+    "lastAuto": 7
+  },
+  "description": [
+    "Press 'a' to load initial events.",
+    "Press 'n' to fire further events."
+  ]
+}