EmptyBlackListedCommands implements BlacklistedCommands { @Override public List<SystemCommand> getBlackListedCommands() { return emptyList(); }  @Override List<SystemCommand> getBlackListedCommands();  }
@Test public void shouldReturnEmptyByDefault() throws Exception { assertThat(emptyBlackListedCommands.getBlackListedCommands().isEmpty(), is(true)); }