Fixes some unseen flake8 violations.

The failures aren't visible when run from
cinder.  Nova has different settings for
flake8.  This patch fixes the violations
that nova's flake8 tests.

fixes Bug #1211935

Change-Id: I80209130de23842a0a35cacb7d59f166e7dba89f
Add tests for cinder/brick/initiator/connector

Add additional tests for ISCSIConnector.connect_volume
Fixed and added tests for InitiatorConnector.

Change-Id: Ice1b89637476609532f97d0802b7bd6647299909
Merge "Add tests for cinder/brick/initiator/connector"
Merge "Fixes some unseen flake8 violations."