Add PHPUnit polyfills as dev requirement

schlessera · schlessera · commit dcc07716906d · 2020-12-07T21:26:40.000Z
diff --git a/composer.json b/composer.json
@@ -23,7 +23,8 @@
         "wp-coding-standards/wpcs": "^2.1"
     },
     "require-dev": {
-        "roave/security-advisories": "dev-master"
+        "roave/security-advisories": "dev-master",
+        "yoast/phpunit-polyfills": "^0.2.0"
     },
     "config": {
         "platform": {
