fix error type in tests

Author: prbzrg

lib/OptimizationOptimisers/test/runtests.jl

@@ -39,10 +39,10 @@ using Lux, MLUtils, Random, ComponentArrays, Printf, MLDataDevices
         @test_throws ArgumentError solve(prob, Optimisers.Adam())
         @test_throws ArgumentError solve(
             prob, Optimisers.Adam(), epochs = 2, maxiters = 2)
+        @test_throws ArgumentError solve(prob, Optimisers.Adam(), maxiters = 3)
         @test solve(prob, Optimisers.Adam(), epochs = 2)
         @test solve(prob, Optimisers.Adam(), maxiters = 2)
         @test solve(prob, Optimisers.Adam(), epochs = 2, maxiters = 4)
-        @test_throws AssertionError solve(prob, Optimisers.Adam(), maxiters = 3)
     end
 
     @testset "cache" begin