fix: disable parallelization

Parallel tests results in concurrency on Workbench (add vs reset).

Author: bruno-brant

test/Liquid.OnAzure.Tests/AssemblyInfo.cs

@@ -0,0 +1,7 @@
+// Copyright (c) Avanade Inc. All rights reserved.
+// Licensed under the MIT License. See LICENSE in the project root for license information.
+
+using Xunit;
+
+// TODO: remove once Workbench is removed
+[assembly: CollectionBehavior(DisableTestParallelization = true)]