MC-16607: Fix Unrelated Static Test Failures

- add composer dependency

Author: anthoula

app/code/Magento/PageBuilder/composer.json

@@ -15,6 +15,7 @@
         "magento/module-catalog-widget": "*",
         "magento/module-rule": "*",
         "magento/module-directory": "*",
+        "magento/module-email": "*",
         "php": "~7.1.3||~7.2.0"
     },
     "conflict": {