Enable GH-2551 fixed tests

Author: bahusoid

src/NHibernate.Test/Linq/QueryCacheableTests.cs

@@ -443,9 +443,6 @@ public void ProjectedEntitiesAreCachable()
 		[Test]
 		public void CacheHqlQueryWithFetchAndTransformerThatChangeTuple()
 		{
-			if (!TestDialect.SupportsDuplicatedColumnAliases)
-				Assert.Ignore("Ignored due to GH-2092");
-
 			Sfi.Statistics.Clear();
 			Sfi.EvictQueries();
 

src/NHibernate.Test/NHSpecificTest/NH1773/Fixture.cs

@@ -1,9 +1,9 @@
 using NUnit.Framework;
 using System.Collections.Generic;
-using NHibernate.Dialect;
 
 namespace NHibernate.Test.NHSpecificTest.NH1773
 {
+	//Also tests GH-2551 (Fails with MS SQL Ce & SQL Anywhere due to the query generating a duplicated column alias name, which these databases do not support.)
 	[TestFixture]
 	public class Fixture : BugTestCase
 	{
@@ -21,12 +21,6 @@ public void CustomHQLFunctionsShouldBeRecognizedByTheParser()
 			}
 		}
 
-		protected override bool AppliesTo(Dialect.Dialect dialect)
-		{
-			// Fails with MS SQL Ce & SQL Anywhere due to the query generating a duplicated column alias name, which these databases do not support.
-			return TestDialect.SupportsDuplicatedColumnAliases;
-		}
-
 		protected override void OnSetUp()
 		{
 			using (var s = OpenSession())