As of June 12, 2022 the United States is no longer requiring a negative Covid test prior to re-entry. Please be aware the CDC will be reassesing this policy after 90 days and may reinstate the negative test requirement.
The following US CDC website details the current testing requirements for re-entry into the United States.
https://www.cdc.gov/coronavirus/2019-ncov/travelers/testing-international-air-travelers.html