verify(scoreDirector, never()).beforeVariableChanged(variableDescriptor, a4);
verify(scoreDirector, never()).afterVariableChanged(variableDescriptor, a4);
verify(scoreDirector, never()).beforeVariableChanged(variableDescriptor, a5);
verify(scoreDirector, never()).afterVariableChanged(variableDescriptor, a5);
undoMove.doMove(scoreDirector);
SelectorTestUtils.assertChain(a0, a1, a2, a3, a4, a5);
SelectorTestUtils.assertChain(b0, b1);
}
@Test