it's the type not the value

Author: penelopeysm

test/Project.toml

@@ -45,7 +45,7 @@ LazyArrays = "1, 2"
 LogDensityProblems = "2"
 LogExpFunctions = "0.3.1"
 MCMCDiagnosticTools = "0.3"
-Mooncake = "0.4"
+Mooncake = "0.4.147"
 ReverseDiff = "1.4.2"
 StableRNGs = "1"
 Tracker = "0.2.11"

test/ad/chainrules.jl

@@ -31,7 +31,7 @@ end
 
     if @isdefined Mooncake
         rng = Xoshiro(123456)
-        @testset "$mode" for mode in (Mooncake.ForwardMode(), Mooncake.ReverseMode())
+        @testset "$mode" for mode in (Mooncake.ForwardMode, Mooncake.ReverseMode)
             Mooncake.TestUtils.test_rule(
                 rng,
                 Bijectors.find_alpha,