diff --git a/browser/components/migration/tests/unit/head_migration.js b/browser/components/migration/tests/unit/head_migration.js
index 740ad1a95a3..2f84eac2bb0 100644
--- a/browser/components/migration/tests/unit/head_migration.js
+++ b/browser/components/migration/tests/unit/head_migration.js
@@ -5,20 +5,60 @@
 const Cc = Components.classes;
 const Ci = Components.interfaces;
 const Cu = Components.utils;
-
-const IMIGRATOR = Ci.nsIBrowserProfileMigrator;
+const Cr = Components.results;
 
 Cu.import("resource://gre/modules/XPCOMUtils.jsm");
+Cu.import("resource://gre/modules/Services.jsm");
 
 XPCOMUtils.defineLazyModuleGetter(this, "PlacesUtils",
                                   "resource://gre/modules/PlacesUtils.jsm");
 XPCOMUtils.defineLazyModuleGetter(this, "FileUtils",
                                   "resource://gre/modules/FileUtils.jsm");
-
+XPCOMUtils.defineLazyModuleGetter(this, "MigrationUtils",
+                                  "resource:///modules/MigrationUtils.jsm");
 // Initialize profile.
 let gProfD = do_get_profile();
 
-function newMigratorFor(aKey) {
-  let cid = "@mozilla.org/profile/migrator;1?app=browser&type=" + aKey;
-  return Cc[cid].createInstance(Ci.nsIBrowserProfileMigrator);
+// Create a fake XULAppInfo to satisfy the eventual needs of the migrators.
+let (XULAppInfo = {
+  // nsIXUlAppInfo
+  get vendor() "Mozilla",
+  get name() "XPCShell",
+  get ID() "xpcshell@tests.mozilla.org",
+  get version() "1",
+  get appBuildID() "2007010101",
+  get platformVersion() "1.0",
+  get platformBuildID() "2007010101",
+
+  // nsIXUlRuntime (partial)
+  get inSafeMode() false,
+  logConsoleErrors: true,
+  get OS() "XPCShell",
+  get XPCOMABI() "noarch-spidermonkey",
+  invalidateCachesOnRestart: function () {},
+
+  // nsIWinAppHelper
+  get userCanElevate() false,
+
+  QueryInterface: function (aIID) {
+    let interfaces = [Ci.nsIXULAppInfo, Ci.nsIXULRuntime];
+    if ("nsIWinAppHelper" in Ci)
+      interfaces.push(Ci.nsIWinAppHelper);
+    if (!interfaces.some(function (v) aIID.equals(v)))
+      throw Cr.NS_ERROR_NO_INTERFACE;
+    return this;
+  }
+}) {
+  const CONTRACT_ID = "@mozilla.org/xre/app-info;1";
+  const CID = Components.ID("7685dac8-3637-4660-a544-928c5ec0e714}");
+
+  let registrar = Components.manager.QueryInterface(Ci.nsIComponentRegistrar);
+  registrar.registerFactory(CID, "XULAppInfo", CONTRACT_ID, {
+    createInstance: function (aOuter, aIID) {
+      if (aOuter != null)
+        throw Cr.NS_ERROR_NO_AGGREGATION;
+      return XULAppInfo.QueryInterface(aIID);
+    },
+    QueryInterface: XPCOMUtils.generateQI(Ci.nsIFactory)
+  });
 }
diff --git a/browser/components/migration/tests/unit/test_IE_bookmarks.js b/browser/components/migration/tests/unit/test_IE_bookmarks.js
index 6a3fd8a9b9b..407c1f3a2a6 100644
--- a/browser/components/migration/tests/unit/test_IE_bookmarks.js
+++ b/browser/components/migration/tests/unit/test_IE_bookmarks.js
@@ -3,26 +3,55 @@
  * You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 function run_test() {
-  let migrator = newMigratorFor("ie");
+  do_test_pending();
+
+  let migrator = MigrationUtils.getMigrator("ie");
 
   // Sanity check for the source.
   do_check_true(migrator.sourceExists);
 
   // Ensure bookmarks migration is available.
   let availableSources = migrator.getMigrateData("FieldOfFlowers", false);
-  do_check_true((availableSources & IMIGRATOR.BOOKMARKS) > 0);
+  do_check_true((availableSources & MigrationUtils.resourceTypes.BOOKMARKS) > 0);
 
-  // Needed to enforce bookmarks replacing.
-  let startup = {
-    doStartup: function () {},
-    get directory() do_get_profile()
-  }
-  migrator.migrate(IMIGRATOR.BOOKMARKS, startup, "FieldOfFlowers");
+  // Wait for the imported bookmarks.  Check that "From Internet Explorer"
+  // folders are created in the menu and on the toolbar.
+  let source = MigrationUtils.getLocalizedString("sourceNameIE");
+  let label = MigrationUtils.getLocalizedString("importedBookmarksFolder", [source]);
 
-  // Check that at least two bookmark have been added to the menu and the
-  // toolbar.  The first one comes from bookmarks.html, the others from IE.
-  do_check_true(PlacesUtils.bookmarks
-                           .getIdForItemAt(PlacesUtils.bookmarksMenuFolderId, 1) > 0);
-  do_check_true(PlacesUtils.bookmarks
-                           .getIdForItemAt(PlacesUtils.toolbarFolderId, 1) > 0);
+  let expectedParents = [ PlacesUtils.bookmarksMenuFolderId,
+                          PlacesUtils.toolbarFolderId ];
+
+  PlacesUtils.bookmarks.addObserver({
+    onItemAdded: function onItemAdded(aItemId, aParentId, aIndex, aItemType,
+                                      aURI, aTitle) {
+      if (aTitle == label) {
+        let index = expectedParents.indexOf(aParentId);
+        do_check_neq(index, -1);
+        expectedParents.splice(index, 1);
+        if (expectedParents.length == 0)
+          PlacesUtils.bookmarks.removeObserver(this);
+      }
+    },
+    onBeginUpdateBatch: function () {},
+    onEndUpdateBatch: function () {},
+    onBeforeItemRemoved: function () {},
+    onItemRemoved: function () {},
+    onItemChanged: function () {},
+    onItemVisited: function () {},
+    onItemMoved: function () {},
+  }, false);
+
+  // Wait for migration.
+  Services.obs.addObserver(function onMigrationEnded() {
+    Services.obs.removeObserver(onMigrationEnded, "Migration:Ended");
+
+    // Check the bookmarks have been imported to all the expected parents.
+    do_check_eq(expectedParents.length, 0);
+
+    do_test_finished();
+  }, "Migration:Ended", false);
+
+  migrator.migrate(MigrationUtils.resourceTypes.BOOKMARKS, null,
+                   "FieldOfFlowers");
 }
diff --git a/browser/components/migration/tests/unit/xpcshell.ini b/browser/components/migration/tests/unit/xpcshell.ini
index 04d272e8f2a..2704bc2cfbc 100644
--- a/browser/components/migration/tests/unit/xpcshell.ini
+++ b/browser/components/migration/tests/unit/xpcshell.ini
@@ -3,4 +3,4 @@ head = head_migration.js
 tail =
 
 [test_IE_bookmarks.js]
-skip-if = true
+skip-if = os != "win"