@Test
public void reusesKey() {

    assert Translator.get("key1").equals("Hello");
    assert Translator.get("key2").equals("World");
    assert Translator.get("key3").equals("Hello");
    assert Translator.get("key4").equals("\"Hello the World!\"");
    assert Translator.get("key5").equals("\"Hello the $[key0]!\"");
    assert Translator.get("key6").equals("-\"Hello the World!\"-\"Hello the $[key0]!\"-$[key7]-");
}