message: Fix whitespace in the python test suite.
  Summary:
  The test suite has often unnecessary trailing whitespace, and sometimes
  unnecessary trailing lines or a missing final new line. This patch just strips
  trailing whitespace/lines and adds missing newlines at the end.
  Subscribers: ki.stfu, JDevlieghere, christof, lldb-commits
diff: @@ -282,7 +282,3 @@ class BreakpointSerialization(TestBase):
  error = self.copy_target.BreakpointsCreateFromFile(self.bkpts_file_spec, names_list, copy_bps)
  self.assertTrue(error.Success(), "Failed reading breakpoints from file: %s"%(error.GetCString()))
  self.assertTrue(copy_bps.GetSize() == 1, "Found the matching breakpoint.")
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