Supress SA1402

Author: hazzik

src/NHibernate.Test/AssemblyInfo.cs

@@ -1,8 +1,11 @@
 using System;
+using System.Diagnostics.CodeAnalysis;
 using System.Reflection;
 using NUnit.Framework;
 
 [assembly: CLSCompliant(false)]
 [assembly: AssemblyDelaySign(false)]
 
 [assembly: LevelOfParallelism(0)]
+
+[assembly: SuppressMessage("StyleCop.CSharp.MaintainabilityRules", "SA1402:FileMayOnlyContainASingleType")]