Add m-esr52 at 52.6.0

1 files changed, 18 insertions, 0 deletions

diff --git a/browser/components/uitour/test/browser_closeTab.js b/browser/components/uitour/test/browser_closeTab.js
new file mode 100644
index 000000000..2b998347a
--- /dev/null
+++ b/browser/components/uitour/test/browser_closeTab.js
@@ -0,0 +1,18 @@
+"use strict";
+
+var {classes: Cc, interfaces: Ci, utils: Cu, results: Cr} = Components;
+
+var gTestTab;
+var gContentAPI;
+var gContentWindow;
+
+add_task(setup_UITourTest);
+
+add_UITour_task(function* test_closeTab() {
+  // Setting gTestTab to null indicates that the tab has already been closed,
+  // and if this does not happen the test run will fail.
+  let closePromise = BrowserTestUtils.waitForEvent(gBrowser.tabContainer, "TabClose");
+  yield gContentAPI.closeTab();
+  yield closePromise;
+  gTestTab = null;
+});