Stub (window.)location (#34041)

* Stub (window.)location

As per comment

* avoid sonar's trigger word

apps/web/src/test/setupGlobals.ts

@@ -15,10 +15,15 @@ vi.stubGlobal("AudioContext", function () {
 });
 
 if (globalThis.window === undefined) {
-    // We are in a node environment, stub a basic window so singletons work
+    // We are in a node environment, stub a basic window so singletons work.
+    // Also stub `location` as a bare global: some libraries (e.g. posthog toolbar) access
+    // `location` directly rather than via `window.location`.
+    const locationStub = new URL("test://test/test");
+    vi.stubGlobal("location", locationStub);
     vi.stubGlobal("window", {
         // Mock this as some code assumes it exists (needs to be done at the top level as
         // things try to access it before the beforeEach blocks run)
         addEventListener: vi.fn(),
+        location: locationStub,
     });
 }