Leave empty lines at the end of files

Author: flodolo

src/products/mozilla_org/testing.md

@@ -147,4 +147,4 @@ On the lower left side of each page, you will see these links:
 The strings in this file are shared content and are activated on production whether they are localized or not. When clicking on any of these topics on the navigation bar, **Firefox Browsers**, **Products**, **Who We Are** or **Innovation**, you will see a drop-down panel with subcategory topics. Within each of the topics, there is a description and a few links to help you dive deeper further into a topic which takes you to a different page. When reviewing the content, keep in mind the following:
 * Not all links take you to a site that’s localizable for all locales.
 * Not all products are offered in your locale.
-* Brand and product names must remain unchanged.
+* Brand and product names must remain unchanged.