+
+ protected
+
+ def assert_no_double_layout
+ # Check we're not rendering a full page layout within a tab
+ # pane. Bootstrap responsive layouts require exactly one
+ # div.container-fluid. Checking "body body" would be more generic,
+ # but doesn't work when the browser/driver automatically collapses
+ # syntatically invalid tags.
+ assert_no_selector '.container-fluid .container-fluid'
+ end