diff --git a/content/canvas/test/reftest/black.html b/content/canvas/test/reftest/black.html
deleted file mode 100644
index d2c721b1d545..000000000000
--- a/content/canvas/test/reftest/black.html
+++ /dev/null
@@ -1,9 +0,0 @@
-
-
-
-
-
-
-
-
-
diff --git a/content/canvas/test/reftest/black.png b/content/canvas/test/reftest/black.png
new file mode 100644
index 000000000000..7e3e4b537479
Binary files /dev/null and b/content/canvas/test/reftest/black.png differ
diff --git a/content/canvas/test/reftest/reftest.list b/content/canvas/test/reftest/reftest.list
index 1b4eae0a39e0..ea6da04e9e69 100644
--- a/content/canvas/test/reftest/reftest.list
+++ b/content/canvas/test/reftest/reftest.list
@@ -137,9 +137,8 @@ pref(webgl.force-layers-readback,true) random-if(B2G) == webgl-color-test.html?r
# Check alpha behavior:
fuzzy-if(B2G,256,83) == webgl-color-alpha-test.html?colorVal=1.0&alphaVal=1.0&nogl wrapper.html?colors.png
fuzzy-if(B2G,256,83) == webgl-color-alpha-test.html?colorVal=1.0&alphaVal=1.0 wrapper.html?colors.png
-# These tests don't use wrapper.html, as there appear to be invalidation issues with black.png and async image decoding - Bug 803299
-fails-if(B2G) == webgl-color-alpha-test.html?colorVal=0.0&alphaVal=1.0&nogl black.html
-fails-if(B2G) == webgl-color-alpha-test.html?colorVal=0.0&alphaVal=1.0 black.html
+fails-if(B2G) == webgl-color-alpha-test.html?colorVal=0.0&alphaVal=1.0&nogl wrapper.html?black.png
+fails-if(B2G) == webgl-color-alpha-test.html?colorVal=0.0&alphaVal=1.0 wrapper.html?black.png
fuzzy-if(B2G,256,83) == webgl-color-alpha-test.html?colorVal=1.0&alphaVal=0.0&nogl wrapper.html?colors.png
fuzzy-if(B2G,256,83) == webgl-color-alpha-test.html?colorVal=1.0&alphaVal=0.0 wrapper.html?colors.png