I have finished the assignment with no errors, you may just have a typo in your answer. If you post your code it would be easier to help you. A sample solution has been posted on GitHub Max-word-frequency. 1 solved Solutions of coursera ruby on rails assignment
solution.highest_count_words_across_lines is an array of strings. When you do this: solution.highest_count_words_across_lines.map(&:highest_wf_words) you are calling highest_wf_words on each of the array items, and that method is not defined for a String (that is what the error message says). I guess that in fact you want something like this instead: words_found = solution.highest_count_words_across_lines.map( |x| highest_wf_words(x)).flatten UPDATE if … Read more
After lot of research I was able to compile following comparison table between Rspec/Capybara vs Robot Framework I am answering this question in case somebody else need it. 2 solved Capybara/Selenium vs Robot Framework for Rails