usual actual not raw_actual to decide rendermode

Author: oxinabox

heatmap.png

@@ -0,0 +1,4 @@
+using ReferenceTests
+using Plots
+
+@test_reference "heatmap.png" heatmap([1 0; 0 1])

scratch.jl

@@ -100,14 +100,15 @@ function test_reference(
     path = file.filename
     dir, filename = splitdir(path)
 
+    actual = _convert(F, raw_actual; kw...)
+
     # infer the default rendermode here
     # since `nothing` is always passed to this method from
-    # test_reference(filename::AbstractString, raw_actual; kw...)
+    # test_reference(filename::AbstractString, actual; kw...)
     if rendermode === nothing
-        rendermode = default_rendermode(F, raw_actual)
+        rendermode = default_rendermode(F, actual)
     end
 
-    actual = _convert(F, raw_actual; kw...)
     # preprocessing when reference file doesn't exists
     if !isfile(path)
         @info("Reference file for \"$filename\" does not exist. It will be created")