diff --git a/packages/sample/src/edits/edits_changelog.genai.mts b/packages/sample/src/edits/edits_changelog.genai.mts
index 4bb2e391ab..bc99489e79 100644
--- a/packages/sample/src/edits/edits_changelog.genai.mts
+++ b/packages/sample/src/edits/edits_changelog.genai.mts
@@ -2,7 +2,7 @@ import { editTest } from "./fileedittest.mts"
 script({
     model: "large",
     title: "system.diff test",
-    files: "src/edits/fib.*",
+    files: "src/edits/fibs/fib.*",
     system: ["system", "system.changelog"],
 })
 
diff --git a/packages/sample/src/edits/edits_diff.genai.mts b/packages/sample/src/edits/edits_diff.genai.mts
index 1ca7bcd731..50196289da 100644
--- a/packages/sample/src/edits/edits_diff.genai.mts
+++ b/packages/sample/src/edits/edits_diff.genai.mts
@@ -2,10 +2,10 @@ import { editTest } from "./fileedittest.mts"
 script({
     model: "large",
     title: "system.diff test",
-    files: "src/edits/fib.*",
+    files: "src/edits/fibs/fib.*",
     system: ["system", "system.diff"],
     tests: {
-        files: "src/edits/fib.*",
+        files: "src/edits/fibs/fib.*",
     },
 })
 
diff --git a/packages/sample/src/edits/edits_files.genai.mts b/packages/sample/src/edits/edits_files.genai.mts
index d4d2aa2983..3e42d92cb1 100644
--- a/packages/sample/src/edits/edits_files.genai.mts
+++ b/packages/sample/src/edits/edits_files.genai.mts
@@ -1,10 +1,10 @@
 script({
     model: "large",
     title: "system.files test",
-    files: "src/edits/fib.*",
+    files: "src/edits/fibs/fib.*",
     system: ["system", "system.files"],
     tests: {
-        files: "src/edits/fib.*",
+        files: "src/edits/fibs/fib.*",
     },
 })
 import { editTest } from "./fileedittest.mts"
diff --git a/packages/sample/src/edits/edits_files_diff.genai.mts b/packages/sample/src/edits/edits_files_diff.genai.mts
new file mode 100644
index 0000000000..da2db01e9f
--- /dev/null
+++ b/packages/sample/src/edits/edits_files_diff.genai.mts
@@ -0,0 +1,11 @@
+script({
+    model: "large",
+    title: "system.files test",
+    files: "src/edits/fibs/fib.*",
+    system: ["system", "system.files", "system.diff"],
+    tests: {
+        files: "src/edits/fibs/fib.*",
+    },
+})
+import { editTest } from "./fileedittest.mts"
+editTest()
diff --git a/packages/sample/src/edits/fib.cpp b/packages/sample/src/edits/fibs/fib.cpp
similarity index 100%
rename from packages/sample/src/edits/fib.cpp
rename to packages/sample/src/edits/fibs/fib.cpp
diff --git a/packages/sample/src/edits/fib.cs b/packages/sample/src/edits/fibs/fib.cs
similarity index 100%
rename from packages/sample/src/edits/fib.cs
rename to packages/sample/src/edits/fibs/fib.cs
diff --git a/packages/sample/src/edits/fib.go b/packages/sample/src/edits/fibs/fib.go
similarity index 100%
rename from packages/sample/src/edits/fib.go
rename to packages/sample/src/edits/fibs/fib.go
diff --git a/packages/sample/src/edits/fib.java b/packages/sample/src/edits/fibs/fib.java
similarity index 100%
rename from packages/sample/src/edits/fib.java
rename to packages/sample/src/edits/fibs/fib.java
diff --git a/packages/sample/src/edits/fib.js b/packages/sample/src/edits/fibs/fib.js
similarity index 100%
rename from packages/sample/src/edits/fib.js
rename to packages/sample/src/edits/fibs/fib.js
diff --git a/packages/sample/src/edits/fib.kt b/packages/sample/src/edits/fibs/fib.kt
similarity index 100%
rename from packages/sample/src/edits/fib.kt
rename to packages/sample/src/edits/fibs/fib.kt
diff --git a/packages/sample/src/edits/fib.php b/packages/sample/src/edits/fibs/fib.php
similarity index 100%
rename from packages/sample/src/edits/fib.php
rename to packages/sample/src/edits/fibs/fib.php
diff --git a/packages/sample/src/edits/fib.py b/packages/sample/src/edits/fibs/fib.py
similarity index 100%
rename from packages/sample/src/edits/fib.py
rename to packages/sample/src/edits/fibs/fib.py
diff --git a/packages/sample/src/edits/fib.rb b/packages/sample/src/edits/fibs/fib.rb
similarity index 100%
rename from packages/sample/src/edits/fib.rb
rename to packages/sample/src/edits/fibs/fib.rb
diff --git a/packages/sample/src/edits/fib.swift b/packages/sample/src/edits/fibs/fib.swift
similarity index 100%
rename from packages/sample/src/edits/fib.swift
rename to packages/sample/src/edits/fibs/fib.swift
diff --git a/packages/sample/src/edits/fib.ts b/packages/sample/src/edits/fibs/fib.ts
similarity index 100%
rename from packages/sample/src/edits/fib.ts
rename to packages/sample/src/edits/fibs/fib.ts