### Question:
TimeZonesProvider { protected String getOffsetString(final String timeZoneName) { return MomentTimeZone.Builder.tz(timeZoneName).format("Z"); }  List<DMNSimpleTimeZone> getTimeZones();  }### Answer:
@Test public void testGetOffsetString() { assertThat(timeZones).hasSize(2); assertThat(timeZones.get(0).getOffsetString()).isEqualTo("+10.0"); assertThat(timeZones.get(1).getOffsetString()).isEqualTo("-20.0"); }