Test image relocation (#679)

* test image relocation, requires deploy

Author: Chris Cho

source/csharp.txt

@@ -34,7 +34,7 @@ Take the free online course taught by MongoDB
 .. list-table::
 
    * - .. cssclass:: bordered-figure
-       .. figure:: /figures/M220N.png
+       .. figure:: /includes/figures/M220N_hero.png
 
      - `M220N: MongoDB for .NET Developers <https://university.mongodb.com/courses/M220N/about>`__
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