diff --git a/test/UnitTests/xunit.runner.json b/test/UnitTests/xunit.runner.json
new file mode 100644
index 0000000000..9db029ba52
--- /dev/null
+++ b/test/UnitTests/xunit.runner.json
@@ -0,0 +1,4 @@
+{
+  "parallelizeAssembly": false,
+  "parallelizeTestCollections": false
+}