test: fix CI failure caused by newly updated baseline (#328)

Author: lumirlumir

tests/rules/use-baseline.test.js

@@ -380,18 +380,18 @@ ruleTester.run("use-baseline", rule, {
 			],
 		},
 		{
-			code: "a { color: color-mix(in hsl, hsl(200 50 80), coral 80%); }",
+			code: "a { color: light-dark(black, white); }",
 			errors: [
 				{
 					messageId: "notBaselineFunction",
 					data: {
-						function: "color-mix",
+						function: "light-dark",
 						availability: "widely",
 					},
 					line: 1,
 					column: 12,
 					endLine: 1,
-					endColumn: 56,
+					endColumn: 36,
 				},
 			],
 		},