Additionnal adjustment.

Author: fredericDelaporte

CoreMemoryCache/NHibernate.Caches.CoreMemoryCache.Tests/TestsContext.cs

@@ -1,4 +1,4 @@
-using System;
+#if !NETFX
 using NUnit.Framework;
 using System.Configuration;
 using System.IO;
@@ -13,9 +13,11 @@ namespace NHibernate.Caches.CoreMemoryCache.Tests
 	[SetUpFixture]
 	public class TestsContext
 	{
-		private static bool ExecutingWithVsTest { get; } =
+		private static readonly bool ExecutingWithVsTest =
 			Assembly.GetEntryAssembly()?.GetName().Name == "testhost";
 
+		private static bool _removeTesthostConfig;
+
 		[OneTimeSetUp]
 		public void RunBeforeAnyTests()
 		{
@@ -35,7 +37,7 @@ public void RunAfterAnyTests()
 		{
 			//When .NET Core App 2.0 tests run from VS/VSTest the entry assembly is "testhost.dll"
 			//so we need to explicitly load the configuration
-			if (ExecutingWithVsTest)
+			if (_removeTesthostConfig)
 			{
 				File.Delete(GetTesthostConfigPath());
 			}
@@ -52,6 +54,7 @@ private static void ReadCoreCacheSectionFromTesthostConfig()
 			// or a previous test run was interupted before its cleanup (RunAfterAnyTests): go clean it manually.
 			// Discussion about this mess: https://github.com/dotnet/corefx/issues/22101
 			File.Copy(configPath, GetTesthostConfigPath());
+			_removeTesthostConfig = true;
 			ConfigurationManager.RefreshSection("corememorycache");
 		}
 
@@ -83,3 +86,4 @@ private static void ConfigureLog4Net()
 		}
 	}
 }
+#endif