diff --git a/web/gui/src/test/_karma/ev/simple/ev_8_onos.json b/web/gui/src/test/_karma/ev/simple/ev_10_updateHost_03.json
similarity index 100%
rename from web/gui/src/test/_karma/ev/simple/ev_8_onos.json
rename to web/gui/src/test/_karma/ev/simple/ev_10_updateHost_03.json
diff --git a/web/gui/src/test/_karma/ev/simple/ev_9_onos.json b/web/gui/src/test/_karma/ev/simple/ev_11_updateHost_08.json
similarity index 100%
rename from web/gui/src/test/_karma/ev/simple/ev_9_onos.json
rename to web/gui/src/test/_karma/ev/simple/ev_11_updateHost_08.json
diff --git a/web/gui/src/test/_karma/ev/simple/ev_10_onos.json b/web/gui/src/test/_karma/ev/simple/ev_12_updateLink.json
similarity index 100%
rename from web/gui/src/test/_karma/ev/simple/ev_10_onos.json
rename to web/gui/src/test/_karma/ev/simple/ev_12_updateLink.json
diff --git a/web/gui/src/test/_karma/ev/simple/ev_11_onos.json b/web/gui/src/test/_karma/ev/simple/ev_13_updateLink.json
similarity index 100%
rename from web/gui/src/test/_karma/ev/simple/ev_11_onos.json
rename to web/gui/src/test/_karma/ev/simple/ev_13_updateLink.json
diff --git a/web/gui/src/test/_karma/ev/simple/ev_12_onos.json b/web/gui/src/test/_karma/ev/simple/ev_14_removeLink.json
similarity index 100%
rename from web/gui/src/test/_karma/ev/simple/ev_12_onos.json
rename to web/gui/src/test/_karma/ev/simple/ev_14_removeLink.json
diff --git a/web/gui/src/test/_karma/ev/simple/ev_13_onos.json b/web/gui/src/test/_karma/ev/simple/ev_15_removeHost_08.json
similarity index 100%
rename from web/gui/src/test/_karma/ev/simple/ev_13_onos.json
rename to web/gui/src/test/_karma/ev/simple/ev_15_removeHost_08.json
diff --git a/web/gui/src/test/_karma/ev/simple/ev_14_onos.json b/web/gui/src/test/_karma/ev/simple/ev_16_removeDevice_03.json
similarity index 100%
rename from web/gui/src/test/_karma/ev/simple/ev_14_onos.json
rename to web/gui/src/test/_karma/ev/simple/ev_16_removeDevice_03.json
diff --git a/web/gui/src/test/_karma/ev/simple/ev_1_addInstanceA.json b/web/gui/src/test/_karma/ev/simple/ev_1_addInstanceA.json
new file mode 100644
index 0000000..ea1fa0f
--- /dev/null
+++ b/web/gui/src/test/_karma/ev/simple/ev_1_addInstanceA.json
@@ -0,0 +1,14 @@
+{
+  "event": "addInstance",
+  "payload": {
+    "id": "myInstA",
+    "ip": "192.168.56.101",
+    "online": true,
+    "uiAttached": true,
+    "switches": 2,
+    "labels": [
+      "myInstA",
+      "192.168.56.101"
+    ]
+  }
+}
diff --git a/web/gui/src/test/_karma/ev/simple/ev_2_addInstanceB.json b/web/gui/src/test/_karma/ev/simple/ev_2_addInstanceB.json
new file mode 100644
index 0000000..5b09dec
--- /dev/null
+++ b/web/gui/src/test/_karma/ev/simple/ev_2_addInstanceB.json
@@ -0,0 +1,14 @@
+{
+  "event": "addInstance",
+  "payload": {
+    "id": "myInstB",
+    "ip": "192.168.56.102",
+    "online": true,
+    "uiAttached": false,
+    "switches": 4,
+    "labels": [
+      "myInstB",
+      "192.168.56.102"
+    ]
+  }
+}
diff --git a/web/gui/src/test/_karma/ev/simple/ev_1_onos.json b/web/gui/src/test/_karma/ev/simple/ev_3_addDevice_08.json
similarity index 92%
rename from web/gui/src/test/_karma/ev/simple/ev_1_onos.json
rename to web/gui/src/test/_karma/ev/simple/ev_3_addDevice_08.json
index b86a73c..9c16f2b 100644
--- a/web/gui/src/test/_karma/ev/simple/ev_1_onos.json
+++ b/web/gui/src/test/_karma/ev/simple/ev_3_addDevice_08.json
@@ -4,6 +4,7 @@
     "id": "of:0000ffffffff0008",
     "type": "switch",
     "online": false,
+    "master": "myInstA",
     "location": {
       "type": "latlng",
       "lat": 37.7833,
diff --git a/web/gui/src/test/_karma/ev/simple/ev_2_onos.json b/web/gui/src/test/_karma/ev/simple/ev_4_addDevice_03.json
similarity index 92%
rename from web/gui/src/test/_karma/ev/simple/ev_2_onos.json
rename to web/gui/src/test/_karma/ev/simple/ev_4_addDevice_03.json
index 2df409a..0b8f044 100644
--- a/web/gui/src/test/_karma/ev/simple/ev_2_onos.json
+++ b/web/gui/src/test/_karma/ev/simple/ev_4_addDevice_03.json
@@ -4,6 +4,7 @@
     "id": "of:0000ffffffff0003",
     "type": "switch",
     "online": false,
+    "master": "myInstB",
     "location": {
       "type": "latlng",
       "lat": 40.7127,
diff --git a/web/gui/src/test/_karma/ev/simple/ev_3_onos.json b/web/gui/src/test/_karma/ev/simple/ev_5_updateDevice_08_online.json
similarity index 90%
rename from web/gui/src/test/_karma/ev/simple/ev_3_onos.json
rename to web/gui/src/test/_karma/ev/simple/ev_5_updateDevice_08_online.json
index 0083530..3b42283 100644
--- a/web/gui/src/test/_karma/ev/simple/ev_3_onos.json
+++ b/web/gui/src/test/_karma/ev/simple/ev_5_updateDevice_08_online.json
@@ -4,6 +4,7 @@
     "id": "of:0000ffffffff0008",
     "type": "switch",
     "online": true,
+    "master": "myInstA",
     "labels": [
       "",
       "switch-8",
diff --git a/web/gui/src/test/_karma/ev/simple/ev_4_onos.json b/web/gui/src/test/_karma/ev/simple/ev_6_updateDevice_03_online.json
similarity index 90%
rename from web/gui/src/test/_karma/ev/simple/ev_4_onos.json
rename to web/gui/src/test/_karma/ev/simple/ev_6_updateDevice_03_online.json
index 57e3347..d05aea6 100644
--- a/web/gui/src/test/_karma/ev/simple/ev_4_onos.json
+++ b/web/gui/src/test/_karma/ev/simple/ev_6_updateDevice_03_online.json
@@ -4,6 +4,7 @@
     "id": "of:0000ffffffff0003",
     "type": "switch",
     "online": true,
+    "master": "myInstB",
     "labels": [
       "",
       "switch-3",
diff --git a/web/gui/src/test/_karma/ev/simple/ev_5_onos.json b/web/gui/src/test/_karma/ev/simple/ev_7_addLink_03_08.json
similarity index 100%
rename from web/gui/src/test/_karma/ev/simple/ev_5_onos.json
rename to web/gui/src/test/_karma/ev/simple/ev_7_addLink_03_08.json
diff --git a/web/gui/src/test/_karma/ev/simple/ev_6_onos.json b/web/gui/src/test/_karma/ev/simple/ev_8_addHost_03.json
similarity index 100%
rename from web/gui/src/test/_karma/ev/simple/ev_6_onos.json
rename to web/gui/src/test/_karma/ev/simple/ev_8_addHost_03.json
diff --git a/web/gui/src/test/_karma/ev/simple/ev_7_onos.json b/web/gui/src/test/_karma/ev/simple/ev_9_addHost_08.json
similarity index 100%
rename from web/gui/src/test/_karma/ev/simple/ev_7_onos.json
rename to web/gui/src/test/_karma/ev/simple/ev_9_addHost_08.json
diff --git a/web/gui/src/test/_karma/ev/simple/scenario.json b/web/gui/src/test/_karma/ev/simple/scenario.json
index 524377c..38daa5c 100644
--- a/web/gui/src/test/_karma/ev/simple/scenario.json
+++ b/web/gui/src/test/_karma/ev/simple/scenario.json
@@ -8,23 +8,23 @@
     "lastAuto": 0
   },
   "description": [
-    "Press 'H' to show hosts.",
+    "Simple sequence of events...",
     "",
-    "Press '-' to fire further events.",
-    "",
-    "1. add device [8] (offline)",
-    "2. add device [3] (offline)",
-    "3. update device [8] (online, label3 change)",
-    "4. update device [3] (online, label3 change)",
-    "5. add link [3] --> [8]",
-    "6. add host (to [3])",
-    "7. add host (to [8])",
-    "8. update host[3] (IP now 10.0.0.13)",
-    "9. update host[8] (IP now 10.0.0.17)",
-    "10. update link (increase width, update props)",
-    "11. update link (reduce width, update props)",
-    "12. remove link",
-    "13. remove host (10.0.0.17)",
-    "13. remove device [3]"
+    "1. add instance A",
+    "2. add instance B",
+    "3. add device [8] (offline)",
+    "4. add device [3] (offline)",
+    "5. update device [8] (online, label3 change)",
+    "6. update device [3] (online, label3 change)",
+    "7. add link [3] --> [8]",
+    "8. add host (to [3])",
+    "9. add host (to [8])",
+    "10. update host[3] (IP now 10.0.0.13)",
+    "11. update host[8] (IP now 10.0.0.17)",
+    "12. update link (increase width, update props)",
+    "13. update link (reduce width, update props)",
+    "14. remove link",
+    "15. remove host (10.0.0.17)",
+    "16. remove device [3]"
   ]
 }