ignore firebird in dtc tests

Author: amroel

src/NHibernate.Test/NHSpecificTest/DtcFailures/DtcFailuresFixture.cs

@@ -8,6 +8,7 @@
 using log4net.Repository.Hierarchy;
 using NHibernate.Cfg;
 using NHibernate.Cfg.MappingSchema;
+using NHibernate.Dialect;
 using NHibernate.Tool.hbm2ddl;
 using NUnit.Framework;
 
@@ -86,6 +87,9 @@ public void WillNotCrashOnDtcPrepareFailure()
 		[Test]
 		public void Can_roll_back_transaction()
 		{
+			if (Dialect is FirebirdDialect)
+				Assert.Ignore("Firebird driver does not support distributed transactions");
+
 			var tx = new TransactionScope();
 			using (ISession s = sessions.OpenSession())
 			{
@@ -109,6 +113,9 @@ public void Can_roll_back_transaction()
 		[Description("Another action inside the transaction do the rollBack outside nh-session-scope.")]
 		public void RollbackOutsideNh()
 		{
+			if (Dialect is FirebirdDialect)
+				Assert.Ignore("Firebird driver does not support distributed transactions");
+
 			try
 			{
 				using (var txscope = new TransactionScope())
@@ -136,6 +143,9 @@ public void RollbackOutsideNh()
 		[Description("rollback inside nh-session-scope should not commit save and the transaction should be aborted.")]
 		public void TransactionInsertWithRollBackTask()
 		{
+			if (Dialect is FirebirdDialect)
+				Assert.Ignore("Firebird driver does not support distributed transactions");
+
 			try
 			{
 				using (var txscope = new TransactionScope())