Tests: Basic pump test case

Change-Id: I94666debd5ec271ce5404a77efc421c12928e134
BUG: 857549
Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
Reviewed-on: http://review.gluster.org/4451
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Avati <avati@redhat.com>