unskipped test for AUTO-378
moved delete node to fixtures
Merge branch 'master' into unskip-lb-test-AUTO-378
changed sleep time
Merge branch 'master' into unskip-lb-test-AUTO-378
Merge pull request #404 from rackerlabs/unskip-lb-test-AUTO-378

Unskip lb test auto 378 and moved delete node to fixtures (ready for review)