WASHINGTON — United States Postal Service Postmaster General Louis DeJoy testified before Congress on Thursday that voters can “absolutely” trust their mail-in ballots will be secure and prioritized, though he emphasized they must be mailed at least a week ahead of the various state deadlines to be delivered on time.DeJoy’s testimony to House lawmakers became heated at times, as members questioned whether delays in general mail delivery and previous issues with mail-in ballots in swing states could disenfranchise voters this year.DeJoy also brought USPS’s facilities into question, calling them “ratty” twice during the hour-long hearing.His various comments about the management of the USPS and how the agency plans to handle election mail appeared to frustrate some members of the House Financial Services and General Government Appropriations Subcommittee.For example, in response to a question from Wisconsin Democratic Rep.