end clarifcation comments

Author: christiangnrd

test/mtl/metal.jl

@@ -491,6 +491,6 @@ end
 
 # TODO: continue adding tests
 
-end
+end # @autoreleasepool begin
 
-end
+end # @testset "MTL" begin

test/profiling.jl

@@ -30,8 +30,8 @@ cd(tmpdir) do
     @test isdir("julia_1.trace")
 end
 
-end
-end
-end
+end # cd(tmpdir) do
+end # mktempdir() do tmpdir
+end # if run_tests
 
 end