DOC added vnfrqts/testcases

Adding VNF Requirements Test Cases project
This should be at the same level as the VNF Requirements and VNF Guidelines projects
Followed this guide http://onap.readthedocs.io/en/latest/guides/onap-developer/how-to-use-docs/include-documentation.html#setup-project-repositories-s

Change-Id: I7473a3ff71960d47e98b386a6ff1afe6282d72a5
Issue-ID: VNFRQTS-53
Signed-off-by: stark, steven <ss820f@att.com>
diff --git a/docs/guides/onap-user/vnfprovider.rst b/docs/guides/onap-user/vnfprovider.rst
index 6d6fd2f..469f2fc 100644
--- a/docs/guides/onap-user/vnfprovider.rst
+++ b/docs/guides/onap-user/vnfprovider.rst
@@ -9,3 +9,4 @@
 
    ../../../submodules/vnfrqts/guidelines.git/docs/index.rst
    ../../../submodules/vnfrqts/requirements.git/docs/index.rst
+   ../../../submodules/vnfrqts/testcases.git/docs/index.rst