public void IsSome_ReturnFalse() => _option.IsSome().ShouldBeFalse();
public void IsSome_ReturnTrue() => _option.IsSome().ShouldBeTrue();
public void IsSome_ReturnFalse() => _option.IsSome().ShouldBeFalse();
public void IsSome_ReturnTrue() => _option.IsSome().ShouldBeTrue();