Added the README file documenting the test suite

Change-Id: I2da2a79f3aa57f38872340155bd5fcc9e9443831
Signed-off-by: Jan Medved <jmedved@cisco.com>
(cherry picked from commit 25ac864dd1ef7f0af1fc0e380510a884d031a4a7)

Change-Id: Ia152ca636261179996afc1997c3f95b0a3b0708c
Signed-off-by: Luis Gomez <ecelgp@gmail.com>
Merge "Added the README file documenting the test suite" into stable/helium