Get rid of obsolete extension used

Author: alex-kulakov

Orm/Xtensive.Orm.Tests/Storage/CommandProcessing/BatchingCommandProcessorParametersManagement.cs

@@ -246,7 +246,7 @@ public async Task InlineQueryInSeparateBatchAsyncTest()
 
         using (counter.Attach()) {
           var inlineQuery = await session.Query.All<ALotOfFieldsEntityValid>()
-            .Where(e => e.Id.In(IncludeAlgorithm.ComplexCondition, new[] { 1, 2, 3, 4 })).AsAsync();
+            .Where(e => e.Id.In(IncludeAlgorithm.ComplexCondition, new[] { 1, 2, 3, 4 })).ExecuteAsync();
           Assert.That(inlineQuery.Any(), Is.True);
           Assert.That(counter.Count, Is.EqualTo(6));
         }