Use dieharder. See [[1]](https://stats.stackexchange.com/questions/352076/nist-randomness-test-testu01-dieharder) (SO) and [[2]](http://webhome.phy.duke.edu/~rgb/General/dieharder.php) (Dieharder webpage).
Use dieharder.
See [1] (SO) and [2] (Dieharder webpage).