fixup! Add test for accumulate issue

Author: vchuravy

test/test.jl

@@ -372,15 +372,15 @@ function unittest_testsuite(Backend, backend_str, backend_mod, BackendArrayT; sk
     end
 
     # from https://github.com/JuliaGPU/KernelAbstractions.jl/issues/652
-    @kernel function unaliased_accumulate!(output, input, @Const(n))
+    @kernel function unaliased_accumulate!(output, input, n)
         i, j = @index(Global, NTuple)
 
         for k in j:n
             output[i, j] += input[i, k]
         end
     end
 
-    @kernel function unaliased_accumulate_local!(output, input, @Const(n))
+    @kernel function unaliased_accumulate_local!(output, input, n)
         i, j = @index(Global, Cartesian)
 
         # Use local accumulator