Small update to the README to test repo permissions.

Author: sefroberg

README.md

@@ -68,5 +68,10 @@ xtf.bm.namespace=alpha-builds
 
 ```
 
+A simplier approach to authetication and execution is to export the `kubeconfig` file then execute the test suite.
+`export KUBECONFIG=<path_to_kubeconfig>`
 
+`export KUBECONFIG=kubeconfig`
+
+After this is done then it is just a matter of executing the testsuite as already defined above.