Bug 608431: Wait for window close before proceeding with tests. r=robstrong, a=tests

toolkit/mozapps/extensions/test/browser/browser_bug557956.js

@@ -234,6 +234,7 @@ add_test(function() {
               ok(!button.disabled, "Finish button should not be disabled");
               EventUtils.synthesizeMouse(button, 2, 2, { }, aWindow);
 
+              wait_for_window_close(aWindow, function() {
                 AddonManager.getAddonsByIDs(["addon8@tests.mozilla.org",
                                              "addon9@tests.mozilla.org"],
                                              function([a8, a9]) {
@@ -248,6 +249,7 @@ add_test(function() {
         });
       });
     });
+  });
 });
 
 // Tests that the install failures show the install failed page and disabling
@@ -317,10 +319,12 @@ add_test(function() {
               ok(!button.hidden, "Finish button should not be hidden");
               ok(!button.disabled, "Finish button should not be disabled");
 
-              EventUtils.synthesizeMouse(button, 2, 2, { }, aWindow);
+              wait_for_window_close(aWindow, function() {
-
                 uninstall_test_addons(run_next_test);
               });
+
+              EventUtils.synthesizeMouse(button, 2, 2, { }, aWindow);
+            });
           });
         });
       });
@@ -400,10 +404,13 @@ add_test(function() {
             var button = doc.documentElement.getButton("finish");
             ok(!button.hidden, "Finish button should not be hidden");
             ok(!button.disabled, "Finish button should not be disabled");
-            EventUtils.synthesizeMouse(button, 2, 2, { }, aWindow);
 
+            wait_for_window_close(aWindow, function() {
               uninstall_test_addons(run_next_test);
             });
+
+            EventUtils.synthesizeMouse(button, 2, 2, { }, aWindow);
+          });
         });
       });
     });