Merge branch '3.4.x'

Author: oskarb

src/NHibernate.Test/Hql/Ast/HqlFixture.cs

@@ -331,9 +331,6 @@ public void UnaryMinusBeforeParenthesesHandledCorrectly()
 				int actualWorkaround = s.CreateQuery("select -1*(1+1) from Animal as h")
 					.List<int>().Single();
 				Assert.That(actualWorkaround, Is.EqualTo(-2));
-
-				s.CreateQuery("delete from Animal").ExecuteUpdate();
-				txn.Commit();
 			}
 		}
 	}

src/NHibernate.Test/Stateless/StatelessSessionFixture.cs

@@ -48,7 +48,7 @@ public void CreateUpdateReadDelete()
 					Assert.IsTrue(initVersion.HasValue);
 					tx.Commit();
 				}
-				Thread.Sleep(100); // Only to be secure that next modification have a different version
+				Thread.Sleep(1100); // Ensure version increment (some dialects lack fractional seconds).
 				using (tx = ss.BeginTransaction())
 				{
 					doc.Text = "blah blah blah .... blah";