[lldb][NFC] Actually run all expects in lang/cpp/operators

Apparently inline tests stop running anything after an empty line
behind an self.expect, which is a very good approach that could
never cause people to write tests that never run.

This patch removes all the empty lines so that all this test
is actually run. Also fixes the broken expects that only passed
because they weren't run before.

llvm-svn: 370195