Fix End-to-End tests for RoomSettings interactivity

Author: t3chguy

test/end-to-end-tests/src/usecases/room-settings.js

@@ -52,7 +52,7 @@ module.exports = async function changeRoomSettings(session, settings) {
     if (settings.alias) {
         session.log.step(`sets alias to ${settings.alias}`);
         const aliasField = await session.query(".mx_RoomSettingsDialog .mx_AliasSettings input[type=text]");
-        await session.replaceInputText(aliasField, settings.alias);
+        await session.replaceInputText(aliasField, settings.alias.substring(1, settings.alias.lastIndexOf(":")));
         const addButton = await session.query(".mx_RoomSettingsDialog .mx_AliasSettings .mx_AccessibleButton");
         await addButton.click();
         session.log.done();