Fix more selenium library tests.

client/galaxy/scripts/mvc/collection/list-collection-creator.js

@@ -278,8 +278,8 @@ var ListCollectionCreator = Backbone.View.extend(BASE_MVC.LoggableMixin)
 
         /** describe what is wrong with a particular element if anything */
         _isElementInvalid: function(element) {
-            if (element.history_content_type !== "dataset" && element.type !== "file") {
-                return _l("is not a dataset or a library file");
+            if (element.history_content_type === "dataset_collection") {
+                return _l("is a collection, this is not allowed");
             }
             var validState = element.state === STATES.OK || _.contains(STATES.NOT_READY_STATES, element.state);
             if (!validState) {

test/galaxy_selenium/navigates_galaxy.py

@@ -662,8 +662,7 @@ class NavigatesGalaxy(HasDriver):
         self.driver.execute_script("$(arguments[0]).keyup();", search_box)
 
     def libraries_folder_create(self, name):
-        create_folder_button = self.wait_for_selector_clickable("#toolbtn_create_folder")
-        create_folder_button.click()
+        self.components.libraries.folder.add_folder.wait_for_and_click()
 
         name_text_box = self.wait_for_selector_clickable("input[name='Name']")
         name_text_box.send_keys(name)

test/galaxy_selenium/navigation.yml

@@ -240,6 +240,8 @@ libraries:
       add_items_menu: '.add-library-items-datasets .dropdown-menu'
       add_items_options: '.add-library-items-datasets .dropdown-menu li a'
 
+      add_folder: '.add-library-items-folder'
+
       add_to_history: '.add-to-history'
       add_to_history_datasets: '.add-to-history-datasets'
       add_to_history_collection: '.add-to-history-collection'