feat(bdd): adding bdd test cases for LVM Driver

[pawanpraka1]

Signed-off-by: Pawan [email protected]

Why is this PR required? What issue does it fix?:

adding bdd test case for LVM Driver. test cases added are

1. volume creation/deletion
2. snapshot creation
3. block volume creation/deletion
4. application pod creation/deletion
5. resize volume

[akhilerm]

Some comments:

1. builder code can be moved from tests/ to pkg/builder
2. Test to check , volume resize is not done, if a snapshot exists

[codecov-io]

Codecov Report

Merging #26 (80b3d2e) into master (7effd08) will not change coverage.
The diff coverage is n/a.

@@          Coverage Diff           @@
##           master     #26   +/-   ##
======================================
  Coverage    1.20%   1.20%           
======================================
  Files          11      11           
  Lines         830     830           
======================================
  Hits           10      10           
  Misses        820     820           

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[pawanpraka1]

@akhilerm I have raise a separate PR(#27) for moving the bdd test cases to github action, also have added test case to do the resize if snapshot is there.

[akhilerm]

LGTM