Add how-to guide for testing with uvloop

docs/source/how-to-guides/index.rst

@@ -0,0 +1,10 @@
+=============
+How-To Guides
+=============
+
+.. toctree::
+  :hidden:
+
+  uvloop
+
+This section of the documentation provides code snippets and recipes to accomplish specific tasks with pytest-asyncio.

docs/source/how-to-guides/uvloop.rst

@@ -0,0 +1,13 @@
+=======================
+How to test with uvloop
+=======================
+
+Replace the default event loop policy in your *conftest.py:*
+
+.. code-block:: python
+
+    import asyncio
+
+    import uvloop
+
+    asyncio.set_event_loop_policy(uvloop.EventLoopPolicy())

docs/source/index.rst

@@ -7,6 +7,7 @@ Welcome to pytest-asyncio!
   :hidden:
 
   concepts
+  how-to-guides/index
   reference/index
   support