try this instead

Author: penelopeysm

test/integration/enzyme/main.jl

@@ -15,7 +15,6 @@ ADTYPES = OrderedDict(
 
 @testset "$ad_key" for (ad_key, ad_type) in ADTYPES
     @testset "$(model.f)" for model in DEMO_MODELS
-        GC.gc()
-        @test run_ad(model, ad_type) isa Any
+        @test run_ad(deepcopy(model), ad_type) isa Any
     end
 end