message: fix(datepicker): add check to prevent broken e2e
diff: @@ -66,7 +66,7 @@ export class BsDatepickerDirective implements OnInit, OnDestroy, OnChanges {
  */
  @Input()
  set bsValue(value: Date) {
  - if (this._bsValue && this._bsValue.getTime() === value.getTime()) {
  + if (this._bsValue && value && this._bsValue.getTime() === value.getTime()) {
  return;
  }
  this._bsValue = value;
  