message: Running this on other systems won't work because I don't
  know how to specifically build a MachO binary on other systems.
diff: @@ -14,6 +14,7 @@ import lldbsuite.test.lldbutil as lldbutil
  import lldbsuite.test.lldbplatformutil as lldbplatformutil
  from lldbsuite.test.lldbtest import *
  +@decorators.skipUnlessDarwin
  class FindAppInMacOSAppBundle(TestBase):
  mydir = TestBase.compute_mydir(__file__)
  