diff --git a/e2e/ambassador/src/background/index.js b/e2e/ambassador/src/background/index.js
index 6425b54..5264c16 100644
--- a/e2e/ambassador/src/background/index.js
+++ b/e2e/ambassador/src/background/index.js
@@ -1,6 +1,6 @@
 import {
   WINDOWS_CREATE, WINDOWS_REMOVE, WINDOWS_GET,
-  TABS_CREATE, TABS_SELECT_AT,
+  TABS_CREATE, TABS_REMOVE, TABS_SELECT_AT, TABS_GET_ZOOM, TABS_SET_ZOOM,
   EVENT_KEYPRESS, EVENT_KEYDOWN, EVENT_KEYUP,
   SCROLL_GET, SCROLL_SET,
 } from '../shared/messages';
@@ -20,11 +20,17 @@ receiveContentMessage((message) => {
       url: message.url,
       windowId: message.windowId,
     });
+  case TABS_REMOVE:
+    return browser.tabs.remove(message.tabId);
   case TABS_SELECT_AT:
     return tabs.selectAt({
       windowId: message.windowId,
       index: message.index,
     });
+  case TABS_GET_ZOOM:
+    return browser.tabs.getZoom(message.tabId);
+  case TABS_SET_ZOOM:
+    return browser.tabs.setZoom(message.tabId, message.factor);
   case EVENT_KEYPRESS:
   case EVENT_KEYDOWN:
   case EVENT_KEYUP:
diff --git a/e2e/ambassador/src/client/tabs.js b/e2e/ambassador/src/client/tabs.js
index 6aaefbd..c7b1340 100644
--- a/e2e/ambassador/src/client/tabs.js
+++ b/e2e/ambassador/src/client/tabs.js
@@ -1,5 +1,5 @@
 import {
-  TABS_CREATE, TABS_SELECT_AT,
+  TABS_CREATE, TABS_SELECT_AT, TABS_GET_ZOOM, TABS_SET_ZOOM,
 } from '../shared/messages';
 import * as ipc from './ipc';
 
@@ -19,4 +19,19 @@ const selectAt = (windowId, index) => {
   });
 };
 
-export { create, selectAt };
+const getZoom = (tabId) => {
+  return ipc.send({
+    tabId,
+    type: TABS_GET_ZOOM,
+  });
+};
+
+const setZoom = (tabId, factor) => {
+  return ipc.send({
+    type: TABS_SET_ZOOM,
+    tabId,
+    factor,
+  });
+};
+
+export { create, selectAt, getZoom, setZoom };
diff --git a/e2e/ambassador/src/shared/messages.js b/e2e/ambassador/src/shared/messages.js
index 9fd1054..1fc47d2 100644
--- a/e2e/ambassador/src/shared/messages.js
+++ b/e2e/ambassador/src/shared/messages.js
@@ -5,6 +5,8 @@ const WINDOWS_REMOVE = 'windows.remove';
 const WINDOWS_GET = 'windows.get';
 const TABS_CREATE = 'tabs.create';
 const TABS_SELECT_AT = 'tabs.selectAt';
+const TABS_GET_ZOOM = 'tabs.get.zoom';
+const TABS_SET_ZOOM = 'tabs.set.zoom';
 const EVENT_KEYPRESS = 'event.keypress';
 const EVENT_KEYDOWN = 'event.keydown';
 const EVENT_KEYUP = 'event.keyup';
@@ -21,6 +23,8 @@ export {
 
   TABS_CREATE,
   TABS_SELECT_AT,
+  TABS_GET_ZOOM,
+  TABS_SET_ZOOM,
 
   EVENT_KEYPRESS,
   EVENT_KEYDOWN,