ok 1 - answer is 42                                                             
not ok 2 - answer is 42                                                         
#     Failed test (foo.pl at line 29)                                           
#          got: '24'                                                            
#     expected: '42'                                                            
not ok 3 - answer is 42                                                         
#     Failed test (foo.pl at line 31)                                           
# Died: oops at foo.pl line 31.