diff --git a/tests/at-root.rs b/tests/at-root.rs
index a64e0af..f704ecb 100644
--- a/tests/at-root.rs
+++ b/tests/at-root.rs
@@ -67,4 +67,4 @@ test!(
     style_before_at_root,
     "a {}\n\n@at-root {\n    @-ms-viewport { width: device-width; }\n}\n",
     "@-ms-viewport {\n  width: device-width;\n}\n"
-);
\ No newline at end of file
+);