Cross-reference structure tests to writing tests

Zac-HD · Zac-HD · commit 9c6f2b79ad9f · 2017-11-27T13:25:47.000+11:00
Closes realpython#806
diff --git a/docs/writing/structure.rst b/docs/writing/structure.rst
@@ -174,6 +174,8 @@ Test Suite
 ::::::::::
 
 
+*For advice on writing your tests, see :doc:`writing/tests`.*
+
 .. csv-table::
    :widths: 20, 40
 
