Fix SQLServer OrmLite Unit Test connection strings

Author: KevinHoward

src/ServiceStack.OrmLite.SqlServerTests/Converters/ConvertersOrmLiteTestBase.cs

@@ -1,6 +1,5 @@
 using System;
 using System.Configuration;
-using System.Data;
 using NUnit.Framework;
 using ServiceStack.Logging;
 using ServiceStack.OrmLite.SqlServer.Converters;
@@ -44,7 +43,7 @@ public override void TestFixtureSetUp()
                 // Appending the Sql Server Type System Version to use SqlServerSpatial110.dll (2012) assembly
                 // Sql Server defaults to SqlServerSpatial100.dll (2008 R2) even for versions greater
                 // https://msdn.microsoft.com/en-us/library/system.data.sqlclient.sqlconnection.connectionstring.aspx
-                ConnectionString = ConfigurationManager.ConnectionStrings["testDb"].ConnectionString + "Type System Version=SQL Server 2014;";
+                ConnectionString = ConfigurationManager.ConnectionStrings["testDb"].ConnectionString + "Type System Version=SQL Server 2012;";
 
                 var dialectProvider = SqlServerConverters.Configure(SqlServer2014Dialect.Provider);
 
@@ -69,7 +68,7 @@ public override void TestFixtureSetUp()
                 // Appending the Sql Server Type System Version to use SqlServerSpatial110.dll (2012) assembly
                 // Sql Server defaults to SqlServerSpatial100.dll (2008 R2) even for versions greater
                 // https://msdn.microsoft.com/en-us/library/system.data.sqlclient.sqlconnection.connectionstring.aspx
-                ConnectionString = ConfigurationManager.ConnectionStrings["testDb"].ConnectionString + "Type System Version=SQL Server 2016;";
+                ConnectionString = ConfigurationManager.ConnectionStrings["testDb"].ConnectionString + "Type System Version=SQL Server 2012;";
 
                 var dialectProvider = SqlServerConverters.Configure(SqlServer2016Dialect.Provider);