message: Fix unit tests (and vuejs)
diff: @@ -136,7 +136,7 @@ export class QuestionMatrixDropdownModelBase extends Question implements IMatrix
  private choicesValue: ItemValue[] = [];
  private optionsCaptionValue: string;
  private isRowChanging = false;
  - protected generatedVisibleRows: Array<MatrixDropdownRowModelBase> = [];
  + protected generatedVisibleRows: Array<MatrixDropdownRowModelBase> = null;
  private cellTypeValue: string = "dropdown";
  private columnColCountValue: number = 0;
  public columnMinWidth: string = "";
  