diff --git a/test/Microsoft.AspNetCore.Server.Kestrel.FunctionalTests/Properties/AssemblyInfo.cs b/test/Microsoft.AspNetCore.Server.Kestrel.FunctionalTests/Properties/AssemblyInfo.cs
new file mode 100644
index 000000000..b1fa88422
--- /dev/null
+++ b/test/Microsoft.AspNetCore.Server.Kestrel.FunctionalTests/Properties/AssemblyInfo.cs
@@ -0,0 +1,3 @@
+using Xunit;
+
+[assembly: CollectionBehavior(CollectionBehavior.CollectionPerAssembly)]
\ No newline at end of file