OpenSky/UnitTestProject1/App.config

<?xml version="1.0" encoding="utf-8"?>
<configuration>
  <connectionStrings>
    <add name="DefaultConnection" connectionString="Data Source=LAPTOP-306C0BCK\SQLEXPRESS;Initial Catalog=OpenSky;Integrated Security=True" providerName="System.Data.SqlClient" />
  </connectionStrings>
</configuration>