message: Remove test that checks auto-completion for settings set.
  With the new `-f` option for `settings set`, `-` (dash) no longer
  auto-complete to `-g`.
diff: @@ -174,11 +174,6 @@ class CommandLineCompletionTestCase(TestBase):
  """Test that 'settings set thread-f' completes to 'settings set thread-format'."""
  self.complete_from_to('settings set thread-f', 'settings set thread-format')
  - @skipIfFreeBSD # timing out on the FreeBSD buildbot
  - def test_settings_s_dash(self):
  - """Test that 'settings set -' completes to 'settings set -g'."""
  - self.complete_from_to('settings set -', 'settings set -g')
  -
  @skipIfFreeBSD # timing out on the FreeBSD buildbot
  def test_settings_clear_th(self):
  """Test that 'settings clear thread-f' completes to 'settings clear thread-format'."""
  