Update test manifest.

This is just the result of running --manifest-update on master; not sure
how it got out of sync.

These tests currently timeout, so also add the expected result.

tests/wpt/metadata/MANIFEST.json

@@ -29831,6 +29831,24 @@
     "deleted": [],
     "items": {
       "testharness": {
+        "dom/nodes/Node-contains.xml": [
+          {
+            "path": "dom/nodes/Node-contains.xml",
+            "url": "/dom/nodes/Node-contains.xml"
+          }
+        ],
+        "dom/nodes/getElementsByClassName-10.xml": [
+          {
+            "path": "dom/nodes/getElementsByClassName-10.xml",
+            "url": "/dom/nodes/getElementsByClassName-10.xml"
+          }
+        ],
+        "dom/nodes/getElementsByClassName-11.xml": [
+          {
+            "path": "dom/nodes/getElementsByClassName-11.xml",
+            "url": "/dom/nodes/getElementsByClassName-11.xml"
+          }
+        ],
         "html/browsers/browsing-the-web/navigating-across-documents/javascript-url-query-fragment-components.html": [
           {
             "path": "html/browsers/browsing-the-web/navigating-across-documents/javascript-url-query-fragment-components.html",
@@ -35384,4 +35402,4 @@
   "rev": "7123012427f92f0dc38a120e6e86a75b6c03aab5",
   "url_base": "/",
   "version": 2
-}
+}

tests/wpt/metadata/dom/nodes/Node-contains.xml.ini

@@ -0,0 +1,3 @@
+[Node-contains.xml]
+  type: testharness
+  expected: TIMEOUT

tests/wpt/metadata/dom/nodes/getElementsByClassName-10.xml.ini

@@ -0,0 +1,3 @@
+[getElementsByClassName-10.xml]
+  type: testharness
+  expected: TIMEOUT

tests/wpt/metadata/dom/nodes/getElementsByClassName-11.xml.ini

@@ -0,0 +1,3 @@
+[getElementsByClassName-11.xml]
+  type: testharness
+  expected: TIMEOUT

tests/wpt/metadata/html/browsers/browsing-the-web/navigating-across-documents/javascript-url-query-fragment-components.html.ini

@@ -4,4 +4,3 @@
   [iframes with javascript src]
     expected: FAIL
 
-