Make FusedComputeTasks usable in execution

examples/profiling_utilities.jl

@@ -1,6 +1,6 @@
 
-function test_random_walk(g::DAG, n::Int64)
-    # the purpose here is to do "random" operations and reverse them again and validate that the graph stays the same and doesn't diverge
+function random_walk!(g::DAG, n::Int64)
+    # the purpose here is to do "random" operations on the graph to simulate an optimizer
     reset_graph!(g)
 
     properties = get_properties(g)
@@ -32,7 +32,7 @@ function test_random_walk(g::DAG, n::Int64)
         end
     end
 
-    return reset_graph!(g)
+    return nothing
 end
 
 function reduce_all!(g::DAG)