Fix some tests

Author: fredericDelaporte

src/NHibernate.Test/QueryTest/MultiCriteriaFixture.cs

@@ -141,7 +141,8 @@ public void CanGetMultiQueryFromSecondLevelCache()
 
 			var cacheHashtable = MultipleQueriesFixture.GetHashTableUsedAsQueryCache(Sfi);
 			var cachedListEntry = (IList)new ArrayList(cacheHashtable.Values)[0];
-			var cachedQuery = (IList)cachedListEntry[1];
+			// The first element is a timestamp, the second is aliases, then only we have the cached data.
+			var cachedQuery = (IList)cachedListEntry[2] ?? throw new InvalidOperationException("Cached data is null");
 
 			var firstQueryResults = (IList)cachedQuery[0];
 			firstQueryResults.Clear();

src/NHibernate.Test/QueryTest/MultipleMixedQueriesFixture.cs

@@ -71,7 +71,8 @@ public void CanGetMultiQueryFromSecondLevelCache()
 
 			var cacheHashtable = MultipleQueriesFixture.GetHashTableUsedAsQueryCache(Sfi);
 			var cachedListEntry = (IList)new ArrayList(cacheHashtable.Values)[0];
-			var cachedQuery = (IList)cachedListEntry[1];
+			// The first element is a timestamp, the second is aliases, then only we have the cached data.
+			var cachedQuery = (IList) cachedListEntry[2] ?? throw new InvalidOperationException("Cached data is null");
 
 			var firstQueryResults = (IList)cachedQuery[0];
 			firstQueryResults.Clear();

src/NHibernate.Test/QueryTest/MultipleQueriesFixture.cs

@@ -74,7 +74,8 @@ public void CanGetMultiQueryFromSecondLevelCache()
 
 			var cacheHashtable = GetHashTableUsedAsQueryCache(Sfi);
 			var cachedListEntry = (IList)new ArrayList(cacheHashtable.Values)[0];
-			var cachedQuery = (IList)cachedListEntry[1];
+			// The first element is a timestamp, the second is aliases, then only we have the cached data.
+			var cachedQuery = (IList) cachedListEntry[2] ?? throw new InvalidOperationException("Cached data is null");
 
 			var firstQueryResults = (IList)cachedQuery[0];
 			firstQueryResults.Clear();