Upgrade tests to v6.0.0-beta.2

cburgdorf · cburgdorf · commit 4f5a8edf1573 · 2018-11-20T15:20:42.000+01:00
diff --git a/fixtures b/fixtures
@@ -1 +1 @@
-Subproject commit 95a309203890e6244c6d4353ca411671973c13b5
+Subproject commit 420f443477caa8516f1f9ee8122fafc3415c0f34
