Add unit test

Src/Asp.Net/SqlServerTest/UnitTest/Main.cs

@@ -31,6 +31,7 @@ namespace OrmTest
         }
         public static void Init()
         {
+            UnitUpdateOneToMany.Init();
             UQueryableByObject.Init();
             Unit23131.Init();
             SplitTest2();

Src/Asp.Net/SqlServerTest/UnitTest/UnitUpdateOneToMany.cs

@@ -1,6 +1,6 @@
 using System;
 using System.Collections.Generic;
-
+using System.Linq;
 using SqlSugar;
 
 namespace OrmTest
@@ -55,6 +55,10 @@ namespace OrmTest
             var list3=db.Queryable<Country>().Includes(x => x.Provinces).ToList();
             db.QueryFilter.Clear<Province>();
             var list4 = db.Queryable<Country>().Includes(x => x.Provinces).ToList();
+            if (list3.First().Provinces.Count != 1 || list4.First().Provinces.Count != 2) 
+            {
+                throw new Exception("unit error");
+            }
 
         }