import mockit.Mock;
import mockit.MockClass;
import mockit.Mockit;

public class SystemTimerOverrider {

private static long currentTime;

@MockClass(realClass = System.class)
private static class SystemMock {
@SuppressWarnings("unused")
@Mock
public static long currentTimeMillis() {
return currentTime;
}
}

public void setSystemTimer(long time) {
currentTime = time;
Mockit.setUpMock(SystemMock.class);
}

}

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