Tweak sample counts and other details in tests (#2433)

* Reduce iterations in ESS tests

* Reduce iterations in HMC tests

* Document an HMC test better

* Reduce iterations in Inference.jl tests

* Use StableRNG in Inferenc.jl tests

* Increase some iteration counts

* Increase some iter counts

* Increase some iter counts

* Fix use of rng in tests, and other seed stuff

* Reduce an iter count in sghmc tests

* Reduce sample counts in abstractmcmc tests

* Improve an MH test

* Improvements to MH tests

* More test tweaks

* Adjust HMC iteration counts

* Adjust sample counts in ESS tests

* Reduce ISS test sample count

* Remove some long-dead tests

* Increase an iter count

* Mark some top-level testsets as verbose

* Bump Mooncake compat to 0.4.61

* Simplify Wishart HMC test

* Increase some sample counts

* Use StableRNG(seed) rather than copy(rng)

* Increase tolerance marginally on some tests

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Co-authored-by: Penelope Yong <penelopeysm@gmail.com>

Author: mhauru

test/Project.toml

@@ -53,7 +53,7 @@ LinearAlgebra = "1"
 LogDensityProblems = "2"
 LogDensityProblemsAD = "1.4"
 MCMCChains = "5, 6"
-Mooncake = "0.4.19"
+Mooncake = "0.4.61"
 NamedArrays = "0.9.4, 0.10"
 Optim = "1"
 Optimization = "3, 4"