Add behat support for selecting a date from one of our date elements

    And I add a "Assignment" to section "0" and I fill the form with:

      | Assignment name | Edited Assignment name |

      | Description | Edited Description |

      | id_duedate_day | 1 |

      | id_duedate_month | 1 |

      | id_duedate_year | 2030 |

      | id_duedate_hour | 12 |

      | id_duedate_minute | 05 |

      | id_cutoffdate_enabled | 1  |

      | id_cutoffdate_day | 1 |

      | id_cutoffdate_month | 1 |

      | id_cutoffdate_year | 2030 |

      | id_cutoffdate_hour | 12 |

      | id_cutoffdate_minute | 15 |