diff --git a/js/packages/offline-renderer/__tests__/offline-renderer.test.js b/js/packages/offline-renderer/__tests__/offline-renderer.test.js
index 30998a0..14d3e43 100644
--- a/js/packages/offline-renderer/__tests__/offline-renderer.test.js
+++ b/js/packages/offline-renderer/__tests__/offline-renderer.test.js
@@ -108,7 +108,9 @@ test('render stats', async function() {
   expect(stats).toMatchObject({
     edgesAdded: 3,
     nodesAdded: 4,
-    propsWritten: 3,
+    // Two "value" props on the const nodes, one "channel" prop on root,
+    // and then the "fadeInMs" and "fadeOutMs" on root
+    propsWritten: 5,
   });
 
   // Render with an invalid property and get a failure, rejecting the
diff --git a/js/packages/web-renderer/test/stdlib.test.js b/js/packages/web-renderer/test/stdlib.test.js
index 546d107..6cec8ca 100644
--- a/js/packages/web-renderer/test/stdlib.test.js
+++ b/js/packages/web-renderer/test/stdlib.test.js
@@ -19,5 +19,5 @@ test('std lib should have sparseq2', async function() {
 
   expect(stats.nodesAdded).toEqual(3); // root, sparseq, const
   expect(stats.edgesAdded).toEqual(2);
-  expect(stats.propsWritten).toEqual(3); // root channel, sparseq seq, const value
+  expect(stats.propsWritten).toEqual(5); // root channel, fadeIn, fadeOut, sparseq seq, const value
 });
diff --git a/js/packages/web-renderer/test/vfs.test.js b/js/packages/web-renderer/test/vfs.test.js
index 76e4bb2..12bbb6a 100644
--- a/js/packages/web-renderer/test/vfs.test.js
+++ b/js/packages/web-renderer/test/vfs.test.js
@@ -36,7 +36,8 @@ test('vfs should show registered entries', async function() {
   expect(await core.render(el.table({key: 'a', path: 'test2'}, 0.5))).toMatchObject({
     nodesAdded: 3,
     edgesAdded: 2,
-    propsWritten: 4,
+    // Root node channel, fadeIn, fadeOut, table key, path, const value
+    propsWritten: 6,
   });
 
   await core.pruneVirtualFileSystem();