Navigate to C:\test
Open test1.config in Notepad
Search for <test2> After the line that starts <add name="test3"........
insert the following line
<add name="Oracle Data Provider for .NET" invariant="Oracle.DataAccess.Client" description="Oracle Data Provider for .NET" type="Oracle.DataAccess.Client.OracleClientFactory, Oracle.DataAccess, Version=2.102.3.2, Culture=neutral, PublicKeyToken=89b483f429c47342" />
Save the test1.config file.