message: Fix minSeq calculation in test mocks
diff: @@ -211,7 +211,7 @@ export class MockContainerRuntimeFactory {
  public getMinSeq(): number {
  let minSeq: number | undefined;
  for (const [, clientSeq] of this.minSeq) {
  - if (!minSeq) {
  + if (minSeq === undefined) {
  minSeq = clientSeq;
  } else {
  minSeq = Math.min(minSeq, clientSeq);
  