Skip test failing on FreeBSD buildbot due to pexepect issues

The pexpect exception is not handled by expectedFailureFreeBSD, so just
skip the test for now.

llvm.org/pr22784

llvm-svn: 238977

lldb/test/functionalities/stop-hook/multiple_threads/TestStopHookMultipleThreads.py

@@ -23,6 +23,7 @@ class StopHookForMultipleThreadsTestCase(TestBase):
     @expectedFailureFreeBSD("llvm.org/pr15037")
     @expectedFailureLinux("llvm.org/pr15037") # stop hooks sometimes fail to fire on Linux
     @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
+    @skipIfFreeBSD # llvm.org/pr22784
     def test_stop_hook_multiple_threads_with_dwarf(self):
         """Test that lldb stop-hook works for multiple threads."""
         self.buildDwarf(dictionary=self.d)