如何防止我的SQL Server Express连接在第一次测试时超时？

We have some automated tests for the interaction between our data access layer (C#) and the database (MS SQL). We are using SQL Express to mount an mdf, which we revert after the testing is done. It seems that the first time the tests are run on a freshly booted machine, we see timeouts, even though SQLExpress is running. The second time, they run just fine.We have some automated tests for the interactio