diff --git a/test/testsets/integrations/RCall.jl b/test/testsets/integrations/RCall.jl
index d3b101b..9fb80ff 100644
--- a/test/testsets/integrations/RCall.jl
+++ b/test/testsets/integrations/RCall.jl
@@ -16,6 +16,8 @@ test_example(joinpath(@__DIR__, "../../examples/integrations/RCallSVG.qmd")) do
     cell = cells[4]
     output = cell["outputs"][1]
 
+    JSON3.pretty(cells)
+
     @test !isempty(output["data"]["image/svg+xml"])
     @test isempty(cell["outputs"][1]["metadata"])
 end