diff --git a/web/gui/src/test/_karma/ev/mojoColors/ev_28_addLink_D_E.json b/web/gui/src/test/_karma/ev/mojoColors/ev_28_addLink_D_E.json
new file mode 100644
index 0000000..ee0f820
--- /dev/null
+++ b/web/gui/src/test/_karma/ev/mojoColors/ev_28_addLink_D_E.json
@@ -0,0 +1,12 @@
+{
+  "event": "addLink",
+  "payload": {
+    "id": "of:0000000000000004/5-of:0000000000000005/4",
+    "type": "direct",
+    "online": true,
+    "src": "of:0000000000000004",
+    "srcPort": "5",
+    "dst": "of:0000000000000005",
+    "dstPort": "4"
+  }
+}