diff --git a/tests/wpt/tests/non-utf8-file.txt b/tests/wpt/tests/non-utf8-file.txt
new file mode 100644
index 0000000..5a992e0
--- /dev/null
+++ b/tests/wpt/tests/non-utf8-file.txt
@@ -0,0 +1 @@
+foo bér � "