test-image: remove if baseline and image is the same

test/image/compare_images

@@ -46,7 +46,18 @@ do
 
   # Do exact pixel comparison using ImageMagick
   compare -verbose -metric AE "$3/$filename.baseline.png" "$3/$filename.png" "$3/$filename.diff.png" 2> "$3/$filename.txt"
-  cat "$3/$filename.txt"
+
+  # Check result and log
+  if grep -q "all: [^0]" "$3/$filename.txt"; then
+    # If it doesn't start by 0, they are different
+    cat "$3/$filename.txt"
+  else
+    # If it starts by 0, they are the same
+    rm "$3/$filename.txt"
+    rm "$3/$filename.diff.png"
+    rm "$3/$filename.baseline.png"
+    rm "$3/$filename.png"
+  fi
 done
 
 CODE=$(grep -R "all: [^0]" "$3"/*.txt | wc -l)