Removes calls to mock.patch.stopall in unit tests

Removes unnecessary calls to mock.patch.stopall
in individual unit tests since it is now
automatically called from the base test case.

Closes-Bug: #1291130
Change-Id: Ia8e82d6a9a9bc9bd5f48146c1be53069ff1cdb01
Fix unittest failure in radware lbaas driver

Wait for vip delete completion before deleting network
and subnet.
Also fix indentation in the driver

Closes-Bug: #1288312
Change-Id: I88b3252102d6c4a60bbadf2951bbb74fcd19792b
Merge "Removes calls to mock.patch.stopall in unit tests"