Service worker test gardening
https://bugs.webkit.org/show_bug.cgi?id=183264
<rdar://problem/38048743>

Unreviewed.

Patch by Youenn Fablet <youenn@apple.com> on 2018-03-02

* TestExpectations:
* platform/mac-wk2/TestExpectations:

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@229192 268f45cc-cd09-0410-ab3c-d52691b4dbfc
diff --git a/LayoutTests/TestExpectations b/LayoutTests/TestExpectations
index 68db895..d245579 100644
--- a/LayoutTests/TestExpectations
+++ b/LayoutTests/TestExpectations
@@ -189,6 +189,9 @@
 [ Debug ] imported/w3c/web-platform-tests/service-workers/service-worker/ready.https.html [ Slow ]
 [ Debug ] imported/w3c/web-platform-tests/service-workers/service-worker/multiple-update.https.html [ Slow ]
 [ Debug ] imported/w3c/web-platform-tests/service-workers/service-worker/windowclient-navigate.https.html [ Slow ]
+[ Debug ] imported/w3c/web-platform-tests/service-workers/service-worker/activation.https.html [ Slow ]
+[ Debug ] imported/w3c/web-platform-tests/service-workers/service-worker/worker-interception.https.html [ Slow ]
+
 
 # Reenable it when having a custom gc exposed in service workers.
 [ Debug ] http/wpt/service-workers/fetchEvent.https.html [ Skip ]