@Test
public void testBasicFunctionWorks() throws Exception {

    final String[] input = new String[]{"Test", "chat", "message", ""};
    signChangeEvent = new SignChangeEvent(mockBlock, mockPlayer,
            input);
    signListener.loadRuleChain("blank.txt");
    signListener.onSignChange(signChangeEvent);
    for (int i = 0; i < 4; i++) {
        assertEquals(input[i], signChangeEvent.getLine(i));
    }
}