diff --git a/test/screencast.spec.ts b/test/screencast.spec.ts
index 9440fa8cfa..171b6733b2 100644
--- a/test/screencast.spec.ts
+++ b/test/screencast.spec.ts
@@ -91,7 +91,7 @@ function expectAll(pixels, rgbaPredicate) {
       checkPixel(i);
   } catch(e) {
     // Log pixel values on failure.
-    console.log(pixels);
+    e.message += `\n\nActual pixels=[${pixels}]`;
     throw e;
   }
 }