assertEquals("", eco);
gt.goForward(0);
eco = ecoDb.getEco(gt).first;
assertEquals("B00: King's pawn opening", eco);
gt.goForward(0);
assertEquals("", eco);
gt.goForward(0);
eco = ecoDb.getEco(gt).getName();
assertEquals("B00: King's pawn opening", eco);
gt.goForward(0);