refactor /tests/integration/660.command.dev.geo.test.cjs (#5918)

* refactor: move and rename test file

* refactor: convert file to esm

- convert file from cjs to esm
- adjust code accordingly

* refactor: replace ava with vitest

---------

Co-authored-by: kodiakhq[bot] <49736102+kodiakhq[bot]@users.noreply.github.com>

tests/integration/commands/dev/dev.geo.test.mjs

@@ -0,0 +1,28 @@
+import process from 'process'
+
+import { test } from 'vitest'
+
+import callCli from '../../utils/call-cli.cjs'
+import { withSiteBuilder } from '../../utils/site-builder.cjs'
+
+test('should throw if invalid country arg is passed', async (t) => {
+  await withSiteBuilder('site-env', async (builder) => {
+    await builder.buildAsync()
+
+    const options = {
+      cwd: builder.directory,
+      extendEnv: false,
+      PATH: process.env.PATH,
+    }
+
+    const errors = await Promise.allSettled([
+      callCli(['dev', '--geo=mock', '--country=a1'], options),
+      callCli(['dev', '--geo=mock', '--country=NotARealCountryCode'], options),
+      callCli(['dev', '--geo=mock', '--country='], options),
+    ])
+
+    errors.forEach((error) => {
+      t.expect(error.status).toEqual('rejected')
+    })
+  })
+})