Fix RLZoo compat

Author: jeremiahpslewis

src/ReinforcementLearningZoo/Project.toml

@@ -18,7 +18,6 @@ ReinforcementLearningBase = "e575027e-6cd6-5018-9292-cdc6200d2b44"
 ReinforcementLearningCore = "de1b191a-4ae0-4afa-a27b-92d07f46b2d6"
 StatsBase = "2913bbd2-ae8a-5f71-8c99-4fb6c76f3a91"
 Zygote = "e88e6eb3-aa80-5325-afca-941959d7151f"
-cuDNN = "02a925ec-e4fe-4b08-9a7e-0d78e3d38ccd"
 
 [compat]
 CUDA = "4, 5"
@@ -38,7 +37,10 @@ cuDNN = "1"
 julia = "1.9"
 
 [extras]
+cuDNN = "02a925ec-e4fe-4b08-9a7e-0d78e3d38ccd"
+Preferences = "21216c6a-2e73-6563-6e65-726566657250"
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
+UUIDs = "cf7118a7-6976-5b1a-9a39-7adc72f591a4"
 
 [targets]
-test = ["Test"]
+test = ["cuDNN", "Preferences", "Test", "UUIDs"]

src/ReinforcementLearningZoo/test/runtests.jl

@@ -1,4 +1,15 @@
-using Test
+using UUIDs
+using Preferences
+
+if Sys.isapple()
+    flux_uuid = UUID("587475ba-b771-5e3f-ad9e-33799f191a9c")
+    set_preferences!(flux_uuid, "gpu_backend" => "Metal")
+
+    using Metal
+else
+    using CUDA, cuDNN
+    CUDA.allowscalar(false)
+end
 
 @testset "ReinforcementLearningZoo.jl" begin
     # include("cfr/cfr.jl")