Nuke attribute configuration as not reliable

Author: bahusoid

src/NHibernate.Test/Log4netConfiguration.cs

@@ -1,5 +1,4 @@
 using NUnit.Framework;
-using log4net;
 using System.Configuration;
 using NHibernate.Cfg;
 
@@ -23,8 +22,8 @@ public void RunBeforeAnyTests()
 
 		private static void ConfigureLog4Net()
 		{
-			//Makes sure that logger is initialized from assembly configuration attribute (see Log4NetConfigurator)
-			LogManager.GetRepository(typeof(TestsContext).Assembly);
+			using (var log4NetXml = typeof(TestsContext).Assembly.GetManifestResourceStream("NHibernate.Test.log4net.xml"))
+				log4net.Config.XmlConfigurator.Configure(log4NetXml);
 		}
 	}
 }