Merge pull request #32766 from overleaf/bg-add-missing-unit-test-mocks

add missing mocks for @overleaf/metrics in unit tests

GitOrigin-RevId: 0903c3e26f88f92ef816a64f14ad053f159b31ed

services/web/test/unit/bootstrap.mjs

@@ -39,6 +39,13 @@ vi.mock('@overleaf/logger', async () => {
   }
 })
 
+// Mock metrics in unit tests, can be overridden
+vi.mock('@overleaf/metrics', () => {
+  return {
+    default: { prom: { Counter: vi.fn(), Histogram: vi.fn() } },
+  }
+})
+
 beforeEach(ctx => {
   // This function is a utility to duplicate the behaviour of passing `done` in place of `next` in an express route handler.
   ctx.rejectOnError = reject => {