Update an example test

Author: mdmintz

examples/test_shadow_dom.py

@@ -59,6 +59,7 @@ def test_shadow_dom(self):
         self.assert_text(file_name_2, file_link)
         print("  Download 2: %s" % self.get_text(file_link))
         self.click(clear_search_icon)
-        self.click(remove_button)
-        self.click(remove_button)
-        self.assert_text("Files you download appear here", no_downloads_area)
+        self.type(search_input, "fake-file.zzz")
+        self.assert_text("No search results found", no_downloads_area)
+        self.click(clear_search_icon)
+        self.assert_element(remove_button)