Use node v14 for running tests on CI (#1646)

* Use old default for unhandled rejections flag

* Update type import

* Use less strict flag, fix types

* Use node v14 for running tests

.github/workflows/test.yml

@@ -47,7 +47,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-
+      - uses: actions/setup-node@v2
+        with:
+          node-version: '14'
       - name: Cache node modules
         uses: actions/cache@v2
         env:

testUtils/intl.ts

@@ -1,6 +1,6 @@
-import { OptionalIntlConfig } from "react-intl/src/components/provider";
+import { IntlConfig } from "react-intl";
 
-export const config: OptionalIntlConfig = {
+export const config: Partial<IntlConfig> = {
   defaultLocale: "en",
   locale: "en"
 };