tests: fix Next functional tests (#353)

Author: dunglas

package.json

@@ -65,7 +65,7 @@
     "test-gen-custom": "rm -rf ./tmp && yarn build && babel src/generators/ReactGenerator.js src/generators/BaseGenerator.js -d ./tmp/gens && cp -r ./templates/react ./templates/react-common ./templates/entrypoint.js ./tmp/gens && ./lib/index.js https://demo.api-platform.com ./tmp/react-custom -g \"$(pwd)/tmp/gens/ReactGenerator.js\" -t ./tmp/gens",
     "test-gen-env": "rm -rf ./tmp && yarn build && API_PLATFORM_CREATE_CLIENT_ENTRYPOINT=https://demo.api-platform.com API_PLATFORM_CREATE_CLIENT_OUTPUT=./tmp ./lib/index.js",
     "test-react-app": "rm -rf ./tmp/app && mkdir -p ./tmp/app && yarn create react-app --template typescript ./tmp/app/reactapp && yarn --cwd ./tmp/app/reactapp add react-router-dom react-hook-form && cp -R ./tmp/react/* ./tmp/app/reactapp/src && cp ./templates/react/index.tsx ./tmp/app/reactapp/src && start-server-and-test 'BROWSER=none yarn --cwd ./tmp/app/reactapp start' http://127.0.0.1:3000/books/ 'yarn playwright test'",
-    "test-next-app": "rm -rf ./tmp/app && mkdir -p ./tmp/app && yarn create next-app --typescript ./tmp/app/next && yarn --cwd ./tmp/app/next add isomorphic-unfetch formik react-query && cp -R ./tmp/next/* ./tmp/app/next && rm ./tmp/app/next/pages/index.tsx && rm -rf ./tmp/app/next/pages/api && yarn --cwd ./tmp/app/next build && start-server-and-test 'yarn --cwd ./tmp/app/next start' http://127.0.0.1:3000/books/ 'yarn playwright test'",
+    "test-next-app": "rm -rf ./tmp/app && mkdir -p ./tmp/app && yarn create next-app --typescript --eslint ./tmp/app/next && yarn prettier --write ./tmp/app/next && yarn --cwd ./tmp/app/next add isomorphic-unfetch formik react-query && cp -R ./tmp/next/* ./tmp/app/next && rm ./tmp/app/next/pages/index.tsx && rm -rf ./tmp/app/next/pages/api && yarn --cwd ./tmp/app/next build && start-server-and-test 'yarn --cwd ./tmp/app/next start' http://127.0.0.1:3000/books/ 'yarn playwright test'",
     "test-vue-app": "rm -rf ./tmp/app && mkdir -p ./tmp/app && cd ./tmp/app && npm init -y vue@2 -- --router vue && cd ../.. && yarn --cwd ./tmp/app/vue add vuex@3 vuex-map-fields lodash && cp -R ./tmp/vue/* ./tmp/app/vue/src && cp ./templates/vue/main.js ./tmp/app/vue/src && yarn --cwd ./tmp/app/vue build && start-server-and-test 'yarn --cwd ./tmp/app/vue vite preview --host 127.0.0.1 --port 3000' http://127.0.0.1:3000/books/ 'yarn playwright test'",
     "test-nuxt-app": "rm -rf ./tmp/app && mkdir -p ./tmp/app && yarn create nuxt-app --answers \"'{\\\"name\\\":\\\"nuxt\\\",\\\"language\\\":\\\"js\\\",\\\"pm\\\":\\\"yarn\\\",\\\"ui\\\":\\\"vuetify\\\",\\\"template\\\":\\\"html\\\",\\\"features\\\":[],\\\"linter\\\":[],\\\"test\\\":\\\"none\\\",\\\"mode\\\":\\\"spa\\\",\\\"target\\\":\\\"static\\\",\\\"devTools\\\":[],\\\"vcs\\\":\\\"none\\\"}'\" ./tmp/app/nuxt && yarn --cwd ./tmp/app/nuxt add moment lodash vuelidate vuex-map-fields && cp -R ./tmp/nuxt/* ./tmp/app/nuxt && NUXT_TELEMETRY_DISABLED=1 yarn --cwd ./tmp/app/nuxt generate && start-server-and-test 'yarn --cwd ./tmp/app/nuxt start --hostname 127.0.0.1' http://127.0.0.1:3000/books/ 'yarn playwright test'"
   },