[VM] Disable test in reload/rollback mode due to snapshot generation

This should fix the vm-linux-release-x64-reload-be builder.

Change-Id: I24f4d53ff0859fc617913afa8e1a508a0457b137
Reviewed-on: https://dart-review.googlesource.com/60926
Reviewed-by: Vyacheslav Egorov <vegorov@google.com>
Commit-Queue: Martin Kustermann <kustermann@google.com>
diff --git a/samples/samples.status b/samples/samples.status
index 0f384e8..3de2262 100644
--- a/samples/samples.status
+++ b/samples/samples.status
@@ -36,3 +36,6 @@
 build_dart/*: Skip
 build_dart_simple/*: Skip
 sample_extension/*: Skip
+
+[ $hot_reload || $hot_reload_rollback ]
+sample_extension/test/sample_extension_script_snapshot_test: SkipByDesign # This test makes a script snapshot, which implies not exercising Dart code.