reftests: Fix css-match-exact

Ensure that background-colors are always set. And import
reset-to-defaults so that there's no background image or so.

diff --git a/tests/reftests/css-match-exact.css b/tests/reftests/css-match-exact.css
index c84ffe99a990133cb9dccd9c48c9ac48cb53e1f6..84723cd8fc3306c91005633244ff4c1c755be36c 100644 (file)
--- a/tests/reftests/css-match-exact.css
+++ b/tests/reftests/css-match-exact.css
@@ -1,3 +1,9 @@
+@import "reset-to-defaults.css";
+
+* {
+  background-color: green;
+}
+
 GtkGrid {
-  background-color: purple;
+  background-color: red;
 }