testoutsetshadowdrawing: Make window background white

This makes it easier to compare the rendering with other sources.

diff --git a/tests/testoutsetshadowdrawing.c b/tests/testoutsetshadowdrawing.c
index 9056ed855c632941fda5e781c48a75558f76b6e1..f619d97e3dff9b77f7fb1b8c571648ffbbbaf3a4 100644 (file)
--- a/tests/testoutsetshadowdrawing.c
+++ b/tests/testoutsetshadowdrawing.c
@@ -5,6 +5,7 @@
 #define COLOR " red;"
 
 static const char *css =
+" window { background-color: white; }\n"
 ".one {"
 "  all: unset;"
 "  min-width: 100px;"