test: use `process.hrtime.bigint` instead of `process.hrtime`
process.hrtime
is legacy. So replace process.hrtime
with process.hrtime.bigint
in test.
Refs: https://github.com/nodejs/node/blob/main/doc/api/process.md#processhrtimetime Refs: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/BigInt
Signed-off-by: Deokjin Kim deokjin81.kim@gmail.com