Test: Cleanup even after test failure
Test: Cleanup even after test failure

If test fails, right now we are not doing cleanup. This leaves some of 
the state behind and next run of test fails. Cleanup even if test fails.

Signed-off-by: Vivek Goyal <61d11262d0d9873ddb5a887f48fcb04e8c5973d0@redhat.com>

shishir-a412ed/docker-storage-setup,thescriptbender/container-storage-setup