Add general override for behavioural tests

Co-authored-by: Janne Savolainen <janne.savolainen@live.fi>

Signed-off-by: Iku-turso <mikko.aspiala@gmail.com>

src/test-utils/override-ipc-bridge.ts

@@ -84,6 +84,8 @@ export const overrideIpcBridge = ({
     windowManagerInjectable,
     () =>
       ({
+        ensureMainWindow: () => Promise.resolve(),
+
         sendToView: ({ channel: channelName, data }: SendToViewArgs) => {
           const handles = rendererIpcFakeHandles.get(channelName);