🆕 #3850 【视频号】小店 SDK 添加类目权限管理接口和商品 SPU 信息扩展（by cchengg）

weixin-java-channel/src/test/java/me/chanjar/weixin/channel/api/impl/WxChannelCategoryServiceImplTest.java

@@ -158,4 +158,14 @@ public class WxChannelCategoryServiceImplTest {
     assertTrue(response.isSuccess());
     System.out.println(response);
   }
+
+  @Test
+  public void testListRelationCategory() throws WxErrorException {
+    WxChannelCategoryService categoryService = channelService.getCategoryService();
+    me.chanjar.weixin.channel.bean.category.RelationCategoryResponse response = 
+      categoryService.listRelationCategory(true, 1);
+    assertNotNull(response);
+    assertTrue(response.isSuccess());
+    System.out.println(response);
+  }
 }