diff --git a/test/test_fields.jl b/test/test_fields.jl
index eb8ec753..2eb7d3c8 100644
--- a/test/test_fields.jl
+++ b/test/test_fields.jl
@@ -6,6 +6,7 @@ using Chmy.Grids
 
 for backend in backends
     @testset "$(basename(@__FILE__)) (backend: $backend)" begin
+        # test setup
         arch = Arch(backend)
         grid = UniformGrid(arch; origin=(0.0, 0.0, 0.0), extent=(1.0, 1.0, 1.0), dims=(2, 2, 2))
         loc = (Center(), Vertex(), Center())
diff --git a/test/test_grids.jl b/test/test_grids.jl
index 5572d1b4..768f951e 100644
--- a/test/test_grids.jl
+++ b/test/test_grids.jl
@@ -136,6 +136,7 @@ using Chmy.Architectures
             end
 
             @testset "shortcut coords" begin
+                # short coords
                 @test vertex(grid, Dim(1), 1) == vertex(grid, Dim(1), 1, 1) == coord(grid, Vertex(), Dim(1), 1)
                 @test vertex(grid, Dim(2), 1) == vertex(grid, Dim(2), 1, 1) == coord(grid, Vertex(), Dim(2), 1)
                 @test center(grid, Dim(1), 1) == center(grid, Dim(1), 1, 1) == coord(grid, Center(), Dim(1), 1)