This is not accurate. Generics in the US skip animal testing, clinical trials, and bioavailability testing.
https://www.fda.gov/drugs/types-applications/abbreviated-new...
https://www.fda.gov/consumers/consumer-updates/generic-drugs....
https://www.fda.gov/drugs/types-applications/abbreviated-new...
https://www.fda.gov/consumers/consumer-updates/generic-drugs....