If you do perform unit tests, you already know what a difference it makes: fewer bugs, better-designed software, and fewer surprises when you make a change.
如果你进行了单元测试，你已经知道它会产生什么不同：更少的bug、更好的软件设计、以及在你进行修改时更少出现奇怪现象。
Install the system to ensure smooth running of programs and be able to customise and modify the programs to customer requirements and perform unit and module testing;
安装系统确保顺利运行，能跟据客户需求做客户化开发和修改程序，进行单元和模块测试；
If you deploy a database when you perform unit tests, the database is created by using the connection string information that is specified in your unit test configuration.
如果在执行单元测试时部署数据库，则将使用单元测试配置中指定的连接字符串信息来创建数据库。
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