使用SharedContext模式调整FreeSql.Tests的SqlServer连接。

FreeSql.Tests/DataContext/SqlServer/SqlServerCollection.cs

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+using System;
+using System.Collections.Generic;
+using System.Text;
+using Xunit;
+
+namespace FreeSql.Tests.DataContext.SqlServer
+{
+	[CollectionDefinition("SqlServerCollection")]
+	public class SqlServerCollection : ICollectionFixture<SqlServerFixture>
+	{
+		// This class has no code, and is never created. Its purpose is simply
+		// to be the place to apply [CollectionDefinition] and all the
+		// ICollectionFixture<> interfaces.
+	}
+}

FreeSql.Tests/DataContext/SqlServer/SqlServerFixture.cs

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+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace FreeSql.Tests.DataContext.SqlServer
+{
+	public class SqlServerFixture : IDisposable
+	{
+		public SqlServerFixture()
+		{
+			sqlServerLazy = new Lazy<IFreeSql>(() => new FreeSql.FreeSqlBuilder()
+			  .UseConnectionString(FreeSql.DataType.SqlServer, "Data Source=.;Integrated Security=True;Initial Catalog=cms;Pooling=true;Max Pool Size=10")
+			  //.UseConnectionString(FreeSql.DataType.SqlServer, "Data Source=(localdb)\\mssqllocaldb;Integrated Security=True;Initial Catalog=cms;Pooling=true;Max Pool Size=10")
+			  .UseAutoSyncStructure(true)
+			  .UseLazyLoading(true)
+			  .Build());
+
+			// ... initialize data in the test database ...
+		}
+
+		public void Dispose()
+		{
+			// ... clean up test data from the database ...
+		}
+
+		private Lazy<IFreeSql> sqlServerLazy;
+		public IFreeSql SqlServer => sqlServerLazy.Value;
+	}
+}