diff --git a/modules/lang/web/test/autoload-css.el b/modules/lang/web/test/autoload-css.el
new file mode 100644
index 000000000..5dc3104a6
--- /dev/null
+++ b/modules/lang/web/test/autoload-css.el
@@ -0,0 +1,32 @@
+;; -*- no-byte-compile: t; -*-
+;;; lang/web/test/autoload-css.el
+
+(def-test! toggle-inline-or-block
+  (let ((css-indent-offset 2))
+    (should-buffer!
+        ("body { color: red{0}; font-size: 2em; }")
+        ("body {"
+         "  color: red{|};"
+         "  font-size: 2em;"
+         "}")
+      (delay-mode-hooks (css-mode))
+      (+css/toggle-inline-or-block))))
+
+(def-test! comment-indent-new-line
+  (should-buffer!
+      ("// test{0}"
+       "body { color: red; font-size: 2em; }")
+      ("// test"
+       "// {|}"
+       "body { color: red; font-size: 2em; }")
+    (delay-mode-hooks (scss-mode))
+    (+css/comment-indent-new-line))
+  (should-buffer!
+      ("//       test{0}"
+       "body { color: red; font-size: 2em; }")
+      ("//       test"
+       "//       {|}"
+       "body { color: red; font-size: 2em; }")
+    (delay-mode-hooks (scss-mode))
+    (+css/comment-indent-new-line)))
+