We use environment variables for controlling QCheck here, since alcotest doesn't seem to provide a lot of flexibility.
QCHECK_VERBOSE if "1" or "true", will make tests verboseQCHECK_SEED if an integer, will fix the seedQCHECK_LONG is present, will trigger long testsval to_alcotest : ?verbose:bool ‑> ?long:bool ‑> ?rand:Random.State.t ‑> QCheck.Test.t ‑> unit Alcotest.test_caseConvert a qcheck test into an alcotest test
verbose())random_state ())