message: sdk38: Use assert util in distribution module test
diff: /* eslint-disable @typescript-eslint/naming-convention */
  import { Bech32 } from "@cosmjs/encoding";
  -import { sleep } from "@cosmjs/utils";
  +import { assert, sleep } from "@cosmjs/utils";
  import { coin, coins } from "../coins";
  import { isPostTxFailure } from "../cosmosclient";
  @@ -55,9 +55,7 @@ describe("DistributionExtension", () => {
  };
  const receipt = await client.postTx(tx);
  - if (isPostTxFailure(receipt)) {
  - throw new Error("Delegation failed");
  - }
  + assert(!isPostTxFailure(receipt));
  await sleep(75); // wait until transactions are indexed
  }
  