remove test code, use mocks instead

packages/@headlessui-react/src/components/menu/menu.test.tsx

@@ -27,6 +27,8 @@ import {
   Keys,
 } from '../../test-utils/interactions'
 
+jest.mock('../../hooks/use-id')
+
 function getMenuButton(): HTMLElement | null {
   // This is just an assumption for our tests. We assume that we only have 1 button. And if we have
   // more, than we assume that it is the first one.

packages/@headlessui-react/src/hooks/__mocks__/use-id.ts

@@ -0,0 +1,15 @@
+import * as React from 'react'
+
+beforeEach(() => {
+  id = 0
+})
+
+let id = 0
+function generateId() {
+  return ++id
+}
+
+export function useId() {
+  const [id] = React.useState(generateId)
+  return id
+}

packages/@headlessui-react/src/hooks/use-id.ts

@@ -1,13 +1,5 @@
 import * as React from 'react'
 
-if (process.env.NODE_ENV === 'test') {
-  if (process.env.JEST_WORKER_ID !== undefined) {
-    beforeEach(() => {
-      id = 0
-    })
-  }
-}
-
 let id = 0
 function generateId() {
   return ++id

packages/@headlessui-vue/src/components/menu/menu.test.tsx

@@ -26,6 +26,8 @@ import {
   word,
 } from '../../test-utils/interactions'
 
+jest.mock('../../hooks/use-id')
+
 function renderTemplate(input: string | Partial<Parameters<typeof defineComponent>[0]>) {
   const defaultComponents = { Menu, MenuButton, MenuItems, MenuItem }
 

packages/@headlessui-vue/src/hooks/__mocks__/use-id.ts

@@ -0,0 +1,12 @@
+beforeEach(() => {
+  id = 0
+})
+
+let id = 0
+function generateId() {
+  return ++id
+}
+
+export function useId() {
+  return generateId()
+}

packages/@headlessui-vue/src/hooks/use-id.ts

@@ -1,11 +1,3 @@
-if (process.env.NODE_ENV === 'test') {
-  if (process.env.JEST_WORKER_ID !== undefined) {
-    beforeEach(() => {
-      id = 0
-    })
-  }
-}
-
 let id = 0
 function generateId() {
   return ++id