Add documentation about tests

doc/source/index.rst

@@ -15,6 +15,7 @@ Contents:
    installation
    usage
    develsetup
+   testing
    classesdoc
    contributing
    help

doc/source/installation.rst

@@ -47,7 +47,7 @@ Using pip and virtualenv
 
 4. Install using pip::
 
-    pip install python-virtualenv
+    pip install python-redfish
 
  All files are installed under your virtualenv.
 

doc/source/testing.rst

@@ -0,0 +1,25 @@
+=============
+Running tests
+=============
+
+
+redfish module tests
+--------------------
+
+Tests are not functional for the redfish module yet.
+
+refish-client tests
+-------------------
+
+#. Create your development environment following `Developer setup <develsetup.html>`_.
+#. Install docker using the `procedure <https://docs.docker.com/engine/installation/>`_.
+#. Ensure you can use docker with your current user.
+#. Jump into redfish-python directory containing the sources.
+#. Install required modules for testings::
+
+    pip install -t test-requirements.txt
+
+#. Run the test::
+
+    py.test redfish-client
+