Change smiles expectation for simple savanna test

According net provider was changed to neutron
we fail in assert on expected and actulal
output from nova manage service list commnad
So change expectation on running nova services
from 6 to 5

Change-Id: I3e70804c50c5d2e3111b0d72e6aa7d4acdcedc45
Closes-Bug: #1272331
Merge "Change smiles expectation for simple savanna test"