Add unit tests

Change-Id: Iff4890edac84a104e4208b81ae33f8555b9a2efb
diff --git a/README.rst b/README.rst
index 828a33f..9348c19 100755
--- a/README.rst
+++ b/README.rst
@@ -18,7 +18,7 @@
         doc:
           board:
             builder: 'html'
-            source: 
+            source:
               engine: local
               path: '/path/to/sphinx/documentation'
 
@@ -32,7 +32,7 @@
         doc:
           board:
             builder: 'html'
-            source: 
+            source:
               engine: git
               address: 'git@repo1.domain.com/repo.git'
               revision: master
@@ -47,7 +47,7 @@
         doc:
           board:
             builder: 'html'
-            source: 
+            source:
               engine: reclass