JUnit TimeZoneRule for setting timeZone in test

TimeZoneRule.java

public class TimeZoneRule implements TestRule {
  private final String timeZoneId;

  public TimeZoneRule(String timeZoneId) {
    this.timeZoneId = timeZoneId;
  }

  @Override
  public Statement apply(final Statement base, Description description) {
    return new Statement() {
      @Override
      public void evaluate() throws Throwable {
        TimeZone defaultTimeZone = TimeZone.getDefault();
        try {
          TimeZone.setDefault(TimeZone.getTimeZone(timeZoneId));
          base.evaluate();
        } finally {
          TimeZone.setDefault(defaultTimeZone);
        }
      }
    };
  }
}