Added the file question to behat test that creates all question types

Author: martin-call-learning

tests/behat/add_questions.feature

@@ -99,4 +99,8 @@ Feature: Add questions to a questionnaire activity
     And I should see "Choose yes or no"
     And I set the field "id_type_id" to "----- Page Break -----"
     And I press "Add selected question type"
+    And I add a "File" question and I fill the form with:
+      | Question Name | Q10 |
+      | Yes | Yes |
+      | Question Text | Add a file as an answer |
     Then I should see "[----- Page Break -----]"

tests/behat/behat_mod_questionnaire.php

@@ -63,7 +63,8 @@ public function i_add_a_question_and_i_fill_the_form_with($questiontype, TableNo
             'Radio Buttons',
             'Rate (scale 1..5)',
             'Text Box',
-            'Yes/No');
+            'Yes/No',
+            'File');
 
         if (!in_array($questiontype, $validtypes)) {
             throw new ExpectationException('Invalid question type specified.', $this->getSession());