diff --git a/testing/mochitest/b2g.json b/testing/mochitest/b2g.json
index 7bc13aa934c..f8f9e192025 100644
--- a/testing/mochitest/b2g.json
+++ b/testing/mochitest/b2g.json
@@ -1,10 +1,13 @@
 {
 "runtests": {
+    "caps": "",
     "content": "",
+    "docshell": "",
     "dom": "",
     "layout": ""
   },
 "excludetests": {
+	"caps/tests/mochitest/test_app_principal_equality.html": " should not be able to access the other frames - got true, expected false",
 	"content/xbl/":"",
 	"content/xul" : "",
         "content/html/content/test/" : "",
@@ -205,6 +208,40 @@
 
 	"content/html/document/test/test_non-ascii-cookie.html":"",
 
+    "docshell/test/navigation/test_bug13871.html": " uncaught exception - TypeError: window0 is null at http://mochi.test:8888/tests/docshell/test/navigation/test_bug13871.html:13",
+    "docshell/test/navigation/test_bug270414.html": " [SimpleTest.finish()] this test already called finish!",
+    "docshell/test/navigation/test_bug278916.html": " /tests/docshell/test/navigation/test_bug270414.html finished in a non-clean fashion, probably because it didn't call SimpleTest.finish()",
+    "docshell/test/navigation/test_bug279495.html": " /tests/docshell/test/navigation/test_bug270414.html finished in a non-clean fashion, probably because it didn't call SimpleTest.finish()",
+    "docshell/test/navigation/test_bug386782.html": " /tests/docshell/test/navigation/test_bug270414.html finished in a non-clean fashion, probably because it didn't call SimpleTest.finish()",
+    "docshell/test/navigation/test_bug430624.html": " [SimpleTest.finish()] waitForFocus() was called a different number of times from the number of callbacks run. Maybe the test terminated prematurely -- be sure to use SimpleTest.waitForExplicitFinish(). - got 1, expected 0",
+    "docshell/test/navigation/test_bug430723.html": " Test timed out.",
+    "docshell/test/navigation/test_not-opener.html": " Test timed out.",
+    "docshell/test/navigation/test_opener.html": " Test timed out.",
+    "docshell/test/navigation/test_popup-navigates-children.html": " Test timed out.",
+    "docshell/test/navigation/test_reserved.html": " Test timed out.",
+    "docshell/test/navigation/test_sessionhistory.html": " uncaught exception - TypeError: testWindow is null at http://mochi.test:8888/tests/docshell/test/navigation/test_sessionhistory.html:40",
+    "docshell/test/navigation/test_sibling-off-domain.html": " Test timed out.",
+    "docshell/test/test_bfcache_plus_hash.html": " Test timed out.",
+    "docshell/test/test_bug344861.html": " uncaught exception - TypeError: newwindow is null at http://mochi.test:8888/tests/docshell/test/test_bug344861.html:24",
+    "docshell/test/test_bug369814.html": " uncaught exception - NS_ERROR_NOT_AVAILABLE: Component returned failure code: 0x80040111 (NS_ERROR_NOT_AVAILABLE) [nsIPrefBranch.setBoolPref] at chrome://specialpowers/content/specialpowersAPI.js:114",
+    "docshell/test/test_bug402210.html": " Test timed out.",
+    "docshell/test/test_bug404548.html": " /tests/docshell/test/test_bug402210.html finished in a non-clean fashion, probably because it didn't call SimpleTest.finish()",
+    "docshell/test/test_bug413310.html": " Did a load when going back? - got POST 1360080273992, expected POST 1360080274393",
+    "docshell/test/test_bug509055.html": " uncaught exception - TypeError: popup is null at http://mochi.test:8888/tests/docshell/test/test_bug509055.html:47",
+    "docshell/test/test_bug529119-1.html": " Test timed out.",
+    "docshell/test/test_bug529119-2.html": " Test timed out.",
+    "docshell/test/test_bug540462.html": " Test timed out.",
+    "docshell/test/test_bug590573.html": " Test timed out.",
+    "docshell/test/test_bug598895.html": " uncaught exception - TypeError: win1 is null at http://mochi.test:8888/tests/docshell/test/test_bug598895.html:26",
+    "docshell/test/test_bug637644.html": " uncaught exception - TypeError: win1 is null at http://mochi.test:8888/tests/docshell/test/test_bug637644.html:26",
+    "docshell/test/test_bug680257.html": " Test timed out.",
+    "docshell/test/test_bug728939.html": " Test timed out.",
+    "docshell/test/test_bug94514.html": " uncaught exception - TypeError: Cc['@mozilla.org/browser/global-history;2'] is undefined at http://mochi.test:8888/tests/docshell/test/test_bug94514.html:38",
+    "docshell/test/test_windowedhistoryframes.html": " Test timed out.",
+    "docshell/test/test_bug640387_1.html": " Test timed out.",
+    "docshell/test/test_bug660404.html": " Test timed out.",
+    "docshell/test/test_bug669671.html": " Test timed out.",
+
         "dom/bindings/test/test_InstanceOf.html":"",
         "dom/imptests/webapps/DOMCore/tests/approved/test_interfaces.html":"",
         "dom/tests/mochitest/crypto/test_getRandomValues.html": "",