1 files changed, 0 insertions, 20 deletions
diff --git a/browser/components/sessionstore/test/browser_579879.js b/browser/components/sessionstore/test/browser_579879.js
deleted file mode 100644
index 6886be038..000000000
--- a/browser/components/sessionstore/test/browser_579879.js
+++ /dev/null
@@ -1,20 +0,0 @@
-"use strict";
-
-add_task(function* () {
-  let tab1 = gBrowser.addTab("data:text/plain;charset=utf-8,foo");
-  gBrowser.pinTab(tab1);
-
-  yield promiseBrowserLoaded(tab1.linkedBrowser);
-  let tab2 = gBrowser.addTab();
-  gBrowser.pinTab(tab2);
-
-  is(Array.indexOf(gBrowser.tabs, tab1), 0, "pinned tab 1 is at the first position");
-  yield promiseRemoveTab(tab1);
-
-  tab1 = undoCloseTab();
-  ok(tab1.pinned, "pinned tab 1 has been restored as a pinned tab");
-  is(Array.indexOf(gBrowser.tabs, tab1), 0, "pinned tab 1 has been restored to the first position");
-
-  yield BrowserTestUtils.removeTab(tab1);
-  yield BrowserTestUtils.removeTab(tab2);
-});