since random_gen can take an id to prepend a testcase identifier to the
created cloud resource, we need to explicitly specify the size param. In
vmsnapshot test create the random_data string of size (100)
Signed-off-by: Prasanna Santhanam <tsp@apache.org>
(cherry picked from commit 5bb3a56acac440b022ed6c45f97d0d85dcc94b96)
Adding tags to the deployvm test from the marvin tutorial
Adding docstrings to the vm snapshot tests
Add tag to the pvlan test
Signed-off-by: Prasanna Santhanam <tsp@apache.org>