KVM test: Migration subtest: Coalescing 2 comparisons

if session2 and session2.is_alive() can be put on the
same line. saving one extra nesting level.

git-svn-id: http://test.kernel.org/svn/autotest/trunk@3950 592f7852-d20e-0410-864c-8624ca9c26a4
1 file changed