Reproducible test control via ScalaCheck seed

[armanbilge]

Derives the Cats Effect test control seed for executeEmbed from the ScalaCheck seed.

I'm hoping this will help with #101 which so far only seems to fail in CI.

[armanbilge]

Ho ho!

==> X calico.frp.SignalSuite.Signal: monad (stack-unsafe).semigroupal associativity  2.637s munit.FailException: /home/runner/work/calico/calico/frp/src/test/scala/calico/frp/SignalSuite.scala:99
98:   // it is stack-safe, but expensive to test
99:   checkAll("Signal", MonadTests[Signal[IO, _]].stackUnsafeMonad[Int, Int, Int])

Failing seed: kEL3o_sLzPuTKenyKh79U0L8htn0bKD5rVaU3ZhZakJ=
You can reproduce this failure by adding the following override to your suite:

  override val scalaCheckInitialSeed = "kEL3o_sLzPuTKenyKh79U0L8htn0bKD5rVaU3ZhZakJ="

Falsified after 72 passed tests.
> Labels of failing property: 
Expected: fs2.concurrent.Signal$$anon$2@3f33842
Received: fs2.concurrent.Signal$$anon$2@6b11218
> ARG_0: TestSignal(NonEmptyList((0 days,-2147483[64](https://github.com/armanbilge/calico/actions/runs/3655630905/jobs/6177171760#step:9:65)8), (50 milliseconds,-1277598221), (79 milliseconds,1), (148 milliseconds,-1519712488), (171 milliseconds,1), (177 milliseconds,2147483647), (239 milliseconds,-2147483648), (290 milliseconds,-2100517818), (303 milliseconds,-1), (371 milliseconds,-1), (402 milliseconds,-2147483648), (473 milliseconds,83574278), (526 milliseconds,1), (594 milliseconds,-1), (640 milliseconds,-723238359), ([65](https://github.com/armanbilge/calico/actions/runs/3655630905/jobs/6177171760#step:9:66)7 milliseconds,-1), (723 milliseconds,1577477699), (763 milliseconds,1), (771 milliseconds,-1), (815 milliseconds,310546745), (818 milliseconds,-627911421), (841 milliseconds,0), (904 milliseconds,-990004048), (951 milliseconds,-730277160), (996 milliseconds,-2147483648), (1051 milliseconds,-1387499205), (1064 milliseconds,1), (1127 milliseconds,-1758115767), (1187 milliseconds,1848942105), (1213 milliseconds,-1), (1268 milliseconds,1), (1306 milliseconds,-1), (1309 milliseconds,0), (1332 milliseconds,-168797151), (1388 milliseconds,860837862), (1399 milliseconds,-2147483648), (1409 milliseconds,-1), (1459 milliseconds,0), (1507 milliseconds,0), (1535 milliseconds,0), (1582 milliseconds,739138798), (1597 milliseconds,-1105792500), (1600 milliseconds,2147483647), (1670 milliseconds,-2147483648), (1725 milliseconds,1[66](https://github.com/armanbilge/calico/actions/runs/3655630905/jobs/6177171760#step:9:67)3095177), (1754 milliseconds,0), (1761 milliseconds,2147483647), (1806 milliseconds,0), (1817 milliseconds,-796910905), (1839 milliseconds,48843762), (1854 milliseconds,-2002364551), (1888 milliseconds,-1761928224), (1944 milliseconds,-383397730), (2008 milliseconds,-1163713650), (2054 milliseconds,-1071745474), (2079 milliseconds,1), (2123 milliseconds,2147483647), (2140 milliseconds,497436073), (2147 milliseconds,-1170909555), (2209 milliseconds,-348465409), (2244 milliseconds,0), (2306 milliseconds,2119079661), (2327 milliseconds,880765442), (2395 milliseconds,2070453592), (2449 milliseconds,2147483647)))
> ARG_1: TestSignal(NonEmptyList((0 days,0), (68 milliseconds,-28285281), (124 milliseconds,0), (132 milliseconds,363643256), (181 milliseconds,1424047800), (215 milliseconds,-1), (251 milliseconds,0), (294 milliseconds,490655878), (315 milliseconds,640353818), (326 milliseconds,1), (388 milliseconds,1), (392 milliseconds,1), (432 milliseconds,485873301), (470 milliseconds,1999705890), (492 milliseconds,-1028603858), (523 milliseconds,-1191026922), (555 milliseconds,-1890656915), (587 milliseconds,-437700868), (645 milliseconds,-1294779792), (699 milliseconds,-934559991), (715 milliseconds,1003749956), (761 milliseconds,-358701645), (819 milliseconds,0), (835 milliseconds,1), (860 milliseconds,2147483647), (879 milliseconds,1610660107), (903 milliseconds,70852953), (950 milliseconds,-1), (970 milliseconds,1), (986 milliseconds,-1651225243), (1019 milliseconds,1734781973), (1073 milliseconds,-980377[67](https://github.com/armanbilge/calico/actions/runs/3655630905/jobs/6177171760#step:9:68)8), (1091 milliseconds,-1928887149), (1126 milliseconds,2147483647), (1139 milliseconds,1337[68](https://github.com/armanbilge/calico/actions/runs/3655630905/jobs/6177171760#step:9:69)0332), (1181 milliseconds,-356781889), (1213 milliseconds,-1183929820), (1282 milliseconds,-2147483648), (1292 milliseconds,1), (1317 milliseconds,1355589996), (1375 milliseconds,-1), (1413 milliseconds,1), (1455 milliseconds,774104303), (1461 milliseconds,-125592300), (1468 milliseconds,-2147483648), (1478 milliseconds,2147483647), (1482 milliseconds,-1), (1528 milliseconds,-2147483648), (1559 milliseconds,1), (1611 milliseconds,-1), (1671 milliseconds,-1344742331), (1725 milliseconds,-1300327799), (1747 milliseconds,2147483647), (1808 milliseconds,122495854), (1876 milliseconds,0), (1934 milliseconds,1804[69](https://github.com/armanbilge/calico/actions/runs/3655630905/jobs/6177171760#step:9:70)0986), (1984 milliseconds,1), (2011 milliseconds,2147483647), (2071 milliseconds,[70](https://github.com/armanbilge/calico/actions/runs/3655630905/jobs/6177171760#step:9:71)1578093), (2106 milliseconds,1), (2165 milliseconds,-619095241), (2194 milliseconds,2147483647), (2238 milliseconds,-2147483648), (2254 milliseconds,1), (2281 milliseconds,-8[71](https://github.com/armanbilge/calico/actions/runs/3655630905/jobs/6177171760#step:9:72)076547)))
> ARG_2: TestSignal(NonEmptyList((0 days,788133511), (67 milliseconds,214[74](https://github.com/armanbilge/calico/actions/runs/3655630905/jobs/6177171760#step:9:75)83647), (91 milliseconds,-526163605), (129 milliseconds,2147483647), (177 milliseconds,-2147483648), (237 milliseconds,1415[75](https://github.com/armanbilge/calico/actions/runs/3655630905/jobs/6177171760#step:9:76)1354), (270 milliseconds,-9426[79](https://github.com/armanbilge/calico/actions/runs/3655630905/jobs/6177171760#step:9:80)380), (309 milliseconds,1540955941)))

[armanbilge]

Amazingly I still cannot reproduce this locally 🤯