Small test fixes

Author: bahusoid

src/NHibernate.Test/Async/NHSpecificTest/GH2552/Fixture.cs

@@ -10,12 +10,11 @@
 
 using System;
 using System.Collections.Generic;
-using System.Reflection;
-using NHibernate.Cache;
+using System.Linq;
 using NHibernate.Stat;
-using NHibernate.Test.CacheTest.Caches;
 using NUnit.Framework;
 using NHCfg = NHibernate.Cfg;
+using NHibernate.Linq;
 
 namespace NHibernate.Test.NHSpecificTest.GH2552
 {
@@ -133,15 +132,14 @@ protected override void OnTearDown()
 			using (ITransaction tx = s.BeginTransaction())
 			{
 				// Get the first person with details.
-				Person person = await (s.QueryOver<TPerson>()
+				Person person = await (s.Query<TPerson>()
 					.Where(p => p.Details != null)
 					.Take(1)
 					.SingleOrDefaultAsync(cancellationToken));
 
 				Assert.NotNull(person);
 				Assert.NotNull(person.Details);
 
-				await (s.SaveOrUpdateAsync(person, cancellationToken));
 				person.Details = null;
 
 				await (tx.CommitAsync(cancellationToken));

src/NHibernate.Test/NHSpecificTest/GH2552/Fixture.cs

@@ -1,9 +1,7 @@
 using System;
 using System.Collections.Generic;
-using System.Reflection;
-using NHibernate.Cache;
+using System.Linq;
 using NHibernate.Stat;
-using NHibernate.Test.CacheTest.Caches;
 using NUnit.Framework;
 using NHCfg = NHibernate.Cfg;
 
@@ -121,15 +119,14 @@ private int DeleteDetailsFromFirstPerson<TPerson>() where TPerson:Person
 			using (ITransaction tx = s.BeginTransaction())
 			{
 				// Get the first person with details.
-				Person person = s.QueryOver<TPerson>()
+				Person person = s.Query<TPerson>()
 					.Where(p => p.Details != null)
 					.Take(1)
 					.SingleOrDefault();
 
 				Assert.NotNull(person);
 				Assert.NotNull(person.Details);
 
-				s.SaveOrUpdate(person);
 				person.Details = null;
 
 				tx.Commit();