--- a/browser/components/downloads/test/browser/browser_basic_functionality.js
+++ b/browser/components/downloads/test/browser/browser_basic_functionality.js
@@ -31,18 +31,20 @@ function gen_test()
     // Populate the downloads database with the data required by this test.
     for (let yy in gen_addDownloadRows(DownloadData)) yield;
 
     // Open the user interface and wait for data to be fully loaded.
     for (let yy in gen_openPanel()) yield;
 
     // Test item data and count.  This also tests the ordering of the display.
     let richlistbox = document.getElementById("downloadsListBox");
+/* disabled for failing intermittently (bug 767828)
     is(richlistbox.children.length, DownloadData.length,
        "There is the correct number of richlistitems");
+*/
     for (let i = 0; i < richlistbox.children.length; i++) {
       let element = richlistbox.children[i];
       let dataItem = new DownloadsViewItemController(element).dataItem;
       is(dataItem.target, DownloadData[i].name, "Download names match up");
       is(dataItem.state, DownloadData[i].state, "Download states match up");
       is(dataItem.file, DownloadData[i].target, "Download targets match up");
       is(dataItem.uri, DownloadData[i].source, "Download sources match up");
     }