Function mkdir

packages/kaos/test/ssh.test.ts:500–506

(_path: string, cb: (err: Error | null) => void)

        cb(null);
      },
      mkdir(_path: string, cb: (err: Error | null) => void): void {
        if (failing.mkdir === true) {
          cb(makeSftpError(errorCode));
          return;
        }
        cb(null);
      },
      readdir(_path: string, cb: (err: Error | null, list?: unknown[]) => void): void {
        if (failing.readdir === true) {
          cb(makeSftpError(errorCode));