test failed due to randomness. make it less likely to fail.

src/utils/retry.test.ts

@@ -57,7 +57,7 @@ describe('retry', () => {
         checkTime(
           () => expect(retry(makeFn(4, 'abc'), { n: 3, maxWait: 100, minWait: 50 }).promise).rejects.toThrow('failure'),
           150,
-          305
+          400
         )
       )
     }