Create test-links.md

doc/developer/tests/test-links.md

@@ -0,0 +1,16 @@
+
+# Link Testing 
+
+Links in Mattermosts should render as specified below. Paste the below text into Mattermost to test text processing. 
+
+```
+These strings should auto-link: 
+
+http://wikipedia.com 
+https://wikipedia.com
+www.wikipedia.com
+
+These strings should not auto-link: 
+
+Readme.md
+```