fixed ea1678a9 from https://gitee.com/zhang-xinyue15/xts_acts/pulls/5497

bug fix
Signed-off-by: Nzhangxinyue <zhangxinyue38@huawei.com>

arkui/ace_ets_component_three/entry/src/main/ets/test/SpanJsunit.test.ets

@@ -231,7 +231,7 @@ export default function spanJsunit() {
       console.info("[testSpan009] component strJson:" + strJson);
       let obj = JSON.parse(strJson);
       console.info("[testSpan009] fontColor:" + obj);
-      expect(obj.$attrs.fontColor).assertEqual('#FFFFFFFF');
+      expect(obj.$attrs.fontColor).assertEqual('#FF000000');
       done();
     });
   })