fixup! Replace ICache interface by a CacheBase class

Update the UpdateTimestampsCache test for accounting field changes

Author: fredericDelaporte

src/NHibernate.Test/Async/CacheTest/BatchableCacheFixture.cs

@@ -543,11 +543,11 @@ public async Task UpdateTimestampsCacheTestAsync()
 		{
 			var timestamp = Sfi.UpdateTimestampsCache;
 			var field = typeof(UpdateTimestampsCache).GetField(
-				"_batchUpdateTimestamps",
+				"_updateTimestamps",
 				BindingFlags.NonPublic | BindingFlags.Instance);
-			Assert.That(field, Is.Not.Null);
+			Assert.That(field, Is.Not.Null, "Unable to find _updateTimestamps field");
 			var cache = (BatchableCache) field.GetValue(timestamp);
-			Assert.That(cache, Is.Not.Null);
+			Assert.That(cache, Is.Not.Null, "Cache field");
 
 			using (var s = OpenSession())
 			{

src/NHibernate.Test/CacheTest/BatchableCacheFixture.cs

@@ -531,11 +531,11 @@ public void UpdateTimestampsCacheTest()
 		{
 			var timestamp = Sfi.UpdateTimestampsCache;
 			var field = typeof(UpdateTimestampsCache).GetField(
-				"_batchUpdateTimestamps",
+				"_updateTimestamps",
 				BindingFlags.NonPublic | BindingFlags.Instance);
-			Assert.That(field, Is.Not.Null);
+			Assert.That(field, Is.Not.Null, "Unable to find _updateTimestamps field");
 			var cache = (BatchableCache) field.GetValue(timestamp);
-			Assert.That(cache, Is.Not.Null);
+			Assert.That(cache, Is.Not.Null, "Cache field");
 
 			using (var s = OpenSession())
 			{