diff --git a/tests/functional/init/fixtures/404.html b/tests/functional/init/fixtures/404.html
new file mode 100644
index 0000000..ba44d7a
--- /dev/null
+++ b/tests/functional/init/fixtures/404.html
@@ -0,0 +1,24 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="robots" content="noindex,nofollow,noarchive">
+    <title>An Error Occurred: Not Found</title>
+    <link rel="icon" href="data:image/svg+xml,<svg xmlns=%22http://www.w3.org/2000/svg%22 viewBox=%220 0 128 128%22><text y=%221.2em%22 font-size=%2296%22>❌</text></svg>">
+    <style>body { background-color: #fff; color: #222; font: 16px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; margin: 0; }
+.container { margin: 30px; max-width: 600px; }
+h1 { color: #dc3545; font-size: 24px; }
+h2 { font-size: 18px; }</style>
+</head>
+<body>
+<div class="container">
+    <h1>Oops! An Error Occurred</h1>
+    <h2>The server returned a "404 Not Found".</h2>
+
+    <p>
+        Something is broken. Please let us know what you were doing when this error occurred.
+        We will fix it as soon as possible. Sorry for any inconvenience caused.
+    </p>
+</div>
+</body>
+</html>
\ No newline at end of file
diff --git a/tests/functional/init/fixtures/sitemap-demo-0.xml.gz b/tests/functional/init/fixtures/sitemap-demo-0.xml.gz
new file mode 100644
index 0000000..16e6c43
Binary files /dev/null and b/tests/functional/init/fixtures/sitemap-demo-0.xml.gz differ
