CONSOLE MESSAGE: line 46: TypeError: 'null' is not an object (evaluating 'table.attributesOfColumnHeaders') Example #1: Nested Stubs 1 a b 1 e f 1 c d 1 c1 d1 1 a b 1 c d 1 c1 d1 1 c d 1 c1 d1 1 c d 1 c1 d1 1 e f -------------------------- THEAD, TFOOT table --------------------------