unit-test: Fix PEP8 E302 violations
unit-test: Fix PEP8 E302 violations

E302: expected 2 blank lines, found 1

Change-Id: I319c02aa01e92f97e039a58f6cfb0655fbb25227
Signed-off-by: Andrew Jeffery <02e0a999c50b1f88df7a8f5a04e1b76b35ea6a88@aj.id.au>

openbmc/openbmc-build-scripts,openbmc/openbmc-build-scripts