Create testuser.md

[robobenklein]

Why does github not populate the merge_commit_sha any more?

[github-actions]

Change preview

Make sure your name and username are correct!

diff --git a/NetID2GHID.md b/NetID2GHID.md
index b13855a..9e3dbd4 100644
--- a/NetID2GHID.md
+++ b/NetID2GHID.md
@@ -7,5 +7,6 @@
 |[@jkim172vols](https://github.com/jkim172vols)|jkim172|Jihun Kim|
 |[@Jxk0be](https://github.com/Jxk0be)|jshoffn3|Jake Shoffner|
 |[@manasIO](https://github.com/manasIO)|mtiwari|Manas Tiwari|
+|[@robobenklein](https://github.com/robobenklein)|testuser|Test User|
 |[@tmvllrrl](https://github.com/tmvllrrl)|tvillarr|Michael Villarreal|
 
diff --git a/students.yml b/students.yml
index 101419e..33ff76f 100644
--- a/students.yml
+++ b/students.yml
@@ -33,6 +33,10 @@ mtiwari:
   github: manasIO
   lastname: Tiwari
   port: 7705
+testuser:
+  firstname: Test
+  github: robobenklein
+  lastname: User
 tvillarr:
   firstname: Michael
   github: tmvllrrl