chore: migrate e2e to vitest (#5590)

* chore: migrate e2e to vitest

Also ensure that tests that do modify the global config do properly
backup and restore the whole config folder

* chore: migrate telemetry test to vitest

Author: danez

e2e.config.mjs

@@ -1,16 +1,16 @@
-import { promises, readFileSync, existsSync } from 'fs'
+import { readFileSync, existsSync } from 'fs'
+import { mkdir } from 'fs/promises'
 import { platform } from 'os'
 import { join, resolve } from 'path'
 import { env } from 'process'
 import { fileURLToPath } from 'url'
 
-import test from 'ava'
 import execa from 'execa'
+import { expect, test } from 'vitest'
 
 import { packageManagerConfig, packageManagerExists } from './utils.mjs'
 
 const { version } = JSON.parse(readFileSync(fileURLToPath(new URL('../package.json', import.meta.url)), 'utf-8'))
-const { mkdir } = promises
 
 /**
  * Prepares the workspace for the test suite to run
@@ -23,28 +23,22 @@ const prepare = async (folderName) => {
 }
 
 Object.entries(packageManagerConfig).forEach(([packageManager, { install: installCmd, lockFile }]) => {
-  /** @type {import('ava').TestInterface} */
-  const testSuite = packageManagerExists(packageManager) ? test.serial : test.skip
-
-  testSuite(`${packageManager} → should install the cli and run the help command`, async (t) => {
-    const cwd = await prepare(`${packageManager}-try-install`)
-    await execa(...installCmd, { stdio: env.DEBUG ? 'inherit' : 'ignore', cwd })
-
-    t.is(existsSync(join(cwd, lockFile)), true, `Generated lock file ${lockFile} does not exists in ${cwd}`)
-
-    const binary = resolve(join(cwd, `./node_modules/.bin/netlify${platform() === 'win32' ? '.cmd' : ''}`))
-    const { stdout } = await execa(binary, ['help'], { cwd })
-
-    t.is(stdout.trim().startsWith('VERSION'), true, `Help command does not start with 'VERSION':\n\n${stdout}`)
-    t.is(
-      stdout.includes(`netlify-cli/${version}`),
-      true,
-      `Help command does not include 'netlify-cli/${version}':\n\n${stdout}`,
-    )
-    t.is(
-      stdout.includes(`$ netlify [COMMAND]`),
-      true,
-      `Help command does not include '$ netlify [COMMAND]':\n\n${stdout}`,
-    )
-  })
+  test.runIf(packageManagerExists(packageManager))(
+    `${packageManager} → should install the cli and run the help command`,
+    async () => {
+      const cwd = await prepare(`${packageManager}-try-install`)
+      await execa(...installCmd, { stdio: env.DEBUG ? 'inherit' : 'ignore', cwd })
+
+      expect(existsSync(join(cwd, lockFile)), `Generated lock file ${lockFile} does not exists in ${cwd}`).toBe(true)
+
+      const binary = resolve(join(cwd, `./node_modules/.bin/netlify${platform() === 'win32' ? '.cmd' : ''}`))
+      const { stdout } = await execa(binary, ['help'], { cwd })
+
+      expect(stdout.trim(), `Help command does not start with 'VERSION':\n\n${stdout}`).toMatch(/^VERSION/)
+      expect(stdout, `Help command does not include 'netlify-cli/${version}':\n\n${stdout}`).toContain(
+        `netlify-cli/${version}`,
+      )
+      expect(stdout, `Help command does not include '$ netlify [COMMAND]':\n\n${stdout}`).toMatch('$ netlify [COMMAND]')
+    },
+  )
 })