### Question:
ExpressionParserFunctions { public static DateTime nowEuropeLondon() { return nowInZone("Europe/London"); } private  ExpressionParserFunctions(); static DateTime nowInZone(String zone); static DateTime nowUtc(); static DateTime nowEuropeLondon(); static DateTime nowAmericaLosAngeles(); static String zeroPadLeft(int value, int width); static String zeroPadLeft(String value, int width);  }### Answer:
@Test public void nowEuropeLondon() { DateTime now = ExpressionParserFunctions.nowEuropeLondon(); assertThat(now.getZone(), is(DateTimeZone.forID("Europe/London"))); }