完成 SysSocialServiceTest 的绑定用户的单测

yudao-framework/yudao-spring-boot-starter-mybatis/src/main/java/cn/iocoder/yudao/framework/mybatis/core/mapper/BaseMapperX.java

@@ -36,4 +36,8 @@ public interface BaseMapperX<T> extends BaseMapper<T> {
         return selectList(new QueryWrapper<>());
     }
 
+    default List<T> selectList(String field, Object value) {
+        return selectList(new QueryWrapper<T>().eq(field, value));
+    }
+
 }