(test only) Integration tests: remove flatMap polyfill (#56546)

This has been supported since Node 11. Remove this from our integration tests.

Test Plan: CI


Closes WEB-1735

Author: wbinnssmith

test/integration/build-output/test/index.test.js

@@ -1,6 +1,5 @@
 /* eslint-env jest */
 
-import 'flat-map-polyfill'
 import { remove } from 'fs-extra'
 import { nextBuild, File } from 'next-test-utils'
 import { join } from 'path'

test/integration/css/test/basic-global-support.test.js

@@ -1,5 +1,4 @@
 /* eslint-env jest */
-import 'flat-map-polyfill'
 import { readdir, readFile, remove } from 'fs-extra'
 import { nextBuild } from 'next-test-utils'
 import { join } from 'path'

test/integration/css/test/css-and-styled-jsx.test.js

@@ -1,5 +1,4 @@
 /* eslint-env jest */
-import 'flat-map-polyfill'
 import { remove } from 'fs-extra'
 import {
   findPort,

test/integration/css/test/css-compilation.test.js

@@ -1,6 +1,5 @@
 /* eslint-env jest */
 import cheerio from 'cheerio'
-import 'flat-map-polyfill'
 import { readdir, readFile, remove } from 'fs-extra'
 import {
   findPort,

test/integration/css/test/css-modules.test.js

@@ -1,6 +1,5 @@
 /* eslint-env jest */
 import cheerio from 'cheerio'
-import 'flat-map-polyfill'
 import { readdir, readFile, remove } from 'fs-extra'
 import {
   check,

test/integration/css/test/css-rendering.test.js

@@ -1,5 +1,4 @@
 /* eslint-env jest */
-import 'flat-map-polyfill'
 import { pathExists, readFile, readJSON, remove } from 'fs-extra'
 import {
   check,

test/integration/css/test/dev-css-handling.test.js

@@ -1,5 +1,4 @@
 /* eslint-env jest */
-import 'flat-map-polyfill'
 import { remove } from 'fs-extra'
 import {
   check,

test/integration/css/test/valid-invalid-css.test.js

@@ -1,5 +1,4 @@
 /* eslint-env jest */
-import 'flat-map-polyfill'
 import { readdir, readFile, remove } from 'fs-extra'
 import { nextBuild } from 'next-test-utils'
 import { join } from 'path'

test/integration/fallback-modules/test/index.test.js

@@ -1,6 +1,5 @@
 /* eslint-env jest */
 
-import 'flat-map-polyfill'
 import { remove } from 'fs-extra'
 import { nextBuild } from 'next-test-utils'
 import { join } from 'path'

test/integration/scss/test/basic-global-support.test.js

@@ -1,6 +1,5 @@
 /* eslint-env jest */
 
-import 'flat-map-polyfill'
 import { readdir, readFile, remove } from 'fs-extra'
 import { nextBuild } from 'next-test-utils'
 import { join } from 'path'

test/integration/scss/test/basic-scss.test.js

@@ -1,7 +1,6 @@
 /* eslint-env jest */
 
 import cheerio from 'cheerio'
-import 'flat-map-polyfill'
 import { readdir, readFile, remove } from 'fs-extra'
 import {
   File,

test/integration/scss/test/css-and-styled-jsx.test.js

@@ -1,6 +1,5 @@
 /* eslint-env jest */
 
-import 'flat-map-polyfill'
 import { remove } from 'fs-extra'
 import {
   findPort,

test/integration/scss/test/dev-css-handling.test.js

@@ -1,6 +1,5 @@
 /* eslint-env jest */
 
-import 'flat-map-polyfill'
 import { remove } from 'fs-extra'
 import { File, findPort, killApp, launchApp, waitFor } from 'next-test-utils'
 import webdriver from 'next-webdriver'

test/integration/scss/test/scss-loader-handling.test.js

@@ -1,6 +1,5 @@
 /* eslint-env jest */
 
-import 'flat-map-polyfill'
 import { readdir, readFile, remove } from 'fs-extra'
 import { nextBuild } from 'next-test-utils'
 import { join } from 'path'

test/integration/scss/test/valid-invalid-scss.test.js

@@ -1,6 +1,5 @@
 /* eslint-env jest */
 
-import 'flat-map-polyfill'
 import { remove } from 'fs-extra'
 import { nextBuild } from 'next-test-utils'
 import { join } from 'path'