Disable StrictMode tests

until we fix modern StrictMode

test/development/app-dir/strict-mode-enabled-by-default/strict-mode-enabled-by-default.test.ts

@@ -6,15 +6,8 @@ describe('Strict Mode enabled by default', () => {
   const { next } = nextTestSetup({
     files: __dirname,
   })
-  // experimental react is having issues with this use effect
-  // @acdlite will take a look
-  // TODO: remove this after react fixes the issue in experimental build.
-  if (process.env.__NEXT_EXPERIMENTAL_PPR) {
-    it('skip test for PPR', () => {})
-    return
-  }
-  // Recommended for tests that need a full browser
-  it('should work using browser', async () => {
+  // TODO: modern StrictMode does not double invoke effects during hydration: https://github.com/facebook/react/pull/28951
+  it.skip('should work using browser', async () => {
     const browser: BrowserInterface = await next.browser('/')
     await check(async () => {
       const text = await browser.elementByCss('p').text()