(::) failed steps (::)

01. Element not found with xpath, (((//html//div[contains(concat(' ', normalize-space(@class), ' '), ' content ')]/ul[contains(concat(' ', normalize-space(@class), ' '), ' block_tree ')]/li[contains(concat(' ', normalize-space(@class), ' '), ' contains_branch ')]/ul/li[contains(concat(' ', normalize-space(@class), ' '), ' contains_branch ')][p[contains(concat(' ', normalize-space(@class), ' '), ' branch ')]/span[normalize-space(.)='Course administration']]|//div[contains(concat(' ', normalize-space(@class), ' '), ' content ')]/div/ul[contains(concat(' ', normalize-space(@class), ' '), ' block_tree ')]/li[contains(concat(' ', normalize-space(@class), ' '), ' contains_branch ')]/ul/li[contains(concat(' ', normalize-space(@class), ' '), ' contains_branch ')][p[contains(concat(' ', normalize-space(@class), ' '), ' branch ')]/span[normalize-space(.)='Course administration']]|//div[contains(concat(' ', normalize-space(@class), ' '), ' content ')]/div/ul[contains(concat(' ', normalize-space(@class), ' '), ' block_tree ')]/li[p[contains(concat(' ', normalize-space(@class), ' '), ' branch ')]/span[normalize-space(.)='Course administration']])[1]/ul/li[contains(concat(' ', normalize-space(@class), ' '), ' contains_branch ')][child::p[contains(concat(' ', normalize-space(@class), ' '), ' branch ')]/child::a[normalize-space(.)='Question bank']])[1]/p[contains(concat(' ', normalize-space(@class), ' '), ' tree_item ')])[1]

    Unable to locate element: {"method":"xpath","selector":"(((//html//div[contains(concat(' ', normalize-space(@class), ' '), ' content ')]/ul[contains(concat(' ', normalize-space(@class), ' '), ' block_tree ')]/li[contains(concat(' ', normalize-space(@class), ' '), ' contains_branch ')]/ul/li[contains(concat(' ', normalize-space(@class), ' '), ' contains_branch ')][p[contains(concat(' ', normalize-space(@class), ' '), ' branch ')]/span[normalize-space(.)='Course administration']]|//div[contains(concat(' ', normalize-space(@class), ' '), ' content ')]/div/ul[contains(concat(' ', normalize-space(@class), ' '), ' block_tree ')]/li[contains(concat(' ', normalize-space(@class), ' '), ' contains_branch ')]/ul/li[contains(concat(' ', normalize-space(@class), ' '), ' contains_branch ')][p[contains(concat(' ', normalize-space(@class), ' '), ' branch ')]/span[normalize-space(.)='Course administration']]|//div[contains(concat(' ', normalize-space(@class), ' '), ' content ')]/div/ul[contains(concat(' ', normalize-space(@class), ' '), ' block_tree ')]/li[p[contains(concat(' ', normalize-space(@class), ' '), ' branch ')]/span[normalize-space(.)='Course administration']])[1]/ul/li[contains(concat(' ', normalize-space(@class), ' '), ' contains_branch ')][child::p[contains(concat(' ', normalize-space(@class), ' '), ' branch ')]/child::a[normalize-space(.)='Question bank']])[1]/p[contains(concat(' ', normalize-space(@class), ' '), ' tree_item ')])[1]"}
    For documentation on this error, please visit: http://seleniumhq.org/exceptions/no_such_element.html
    Build info: version: '2.48.2', revision: '41bccdd', time: '2015-10-09 19:59:12'
    System info: host: 'davidm-hq', ip: '127.0.1.1', os.name: 'Linux', os.arch: 'amd64', os.version: '3.13.0-74-generic', java.version: '1.7.0_91'
    Driver info: driver.version: unknown
    In step `And I navigate to "Categories" node in "Course administration > Question bank"'.                                                                                                                                           # behat_navigation::i_navigate_to_node_in()
    From scenario `Add questions from question bank to the quiz. In order to be able to
  add questions from question bank to the quiz, first we create some new questions
  in various categories and add them to the question bank.'. # /home/davidm/Desktop/moodlecode/int/MOODLE_29_STABLE/mod/quiz/tests/behat/editing_add.feature:106
    Of feature `Edit quiz page - adding things'.                                                                                                                                                                                        # /home/davidm/Desktop/moodlecode/int/MOODLE_29_STABLE/mod/quiz/tests/behat/editing_add.feature

02. Css matching locator "li input[name=maxmark]" not found.
    In step `And I take focus off "li input[name=maxmark]" "css_element"'.                                                                                                                                                              # behat_general::i_take_focus_off_field()
    From scenario `Set the max mark for a question.'.                                                                                                                                                                                   # /home/davidm/Desktop/moodlecode/int/MOODLE_29_STABLE/mod/quiz/tests/behat/editing_set_marks_with_attempts.feature:43
    Of feature `In order to create a quiz that awards marks the way I want'.                                                                                                                                                            # /home/davidm/Desktop/moodlecode/int/MOODLE_29_STABLE/mod/quiz/tests/behat/editing_set_marks_with_attempts.feature

63 scenarios (61 passed, 2 failed)
1920 steps (1796 passed, 122 skipped, 2 failed)
29m20.974s