diff --git a/tools/e2e/38-plugins.mjs b/tools/e2e/38-plugins.mjs
index 48488f62..2a6548b8 100644
--- a/tools/e2e/38-plugins.mjs
+++ b/tools/e2e/38-plugins.mjs
@@ -39,14 +39,15 @@ export async function plugins(t) {
   );
 
   // 38b. Its tab sits after the fixed ones and ahead of the open documents (#171) – in the row or
-  //      behind », depending on the width.
+  //      behind », depending on the width. Master routing (#351) is a document too.
   const { order } = await json('__gm.tabRow()');
   const at = order.indexOf('plugin:assets');
+  const isDocument = (tab) => ['list', 'routing', 'management'].includes(tab) || tab.startsWith('asset:');
   check('the plugin tab is in the tab row', at >= 0, JSON.stringify(order));
   check(
     'and it comes after the fixed tabs, ahead of any document',
     JSON.stringify(order.slice(0, 2)) === JSON.stringify(['scene', 'game']) &&
-      order.slice(at + 1).every((tab) => tab === 'list' || tab.startsWith('asset:')),
+      order.slice(at + 1).every(isDocument),
     JSON.stringify(order),
   );
 
diff --git a/tools/e2e/46-topbar.mjs b/tools/e2e/46-topbar.mjs
index 3304d908..2458f768 100644
--- a/tools/e2e/46-topbar.mjs
+++ b/tools/e2e/46-topbar.mjs
@@ -58,13 +58,14 @@ export async function topbar(t) {
     'Snapshots…',
     'Release…',
     'Project settings…',
+    'Master routing',
     'Clear saved data',
     null,
     'General settings…',
     'Plugins',
   ];
   check(
-    'the menu button opens new project, the project picker, the settings, clearing saves, the general settings and the plugins',
+    'the menu button opens new project, the project picker, the settings, the master routing, clearing saves, the general settings and the plugins',
     JSON.stringify(rows) === JSON.stringify(expected),
     JSON.stringify(rows),
   );