MDL-38944 behat: New test

According to MDLQA-2422; automatic
creation of groups.

group/tests/behat/auto_creation.feature

@@ -0,0 +1,60 @@
+@core_group
+Feature: Automatic creation of groups
+  In order to quickly create groups
+  As a teacher
+  I need to create groups automatically and allocate them in groupings if necessary
+
+  @javascript
+  Scenario: Split automatically the course users in groups and add the groups to a new grouping
+    Given the following "courses" exists:
+      | fullname | shortname | category |
+      | Course 1 | C1 | 0 |
+    And the following "users" exists:
+      | username | firstname | lastname | email |
+      | teacher1 | Teacher | 1 | teacher1@asd.com |
+      | student0 | Student | 0 | student0@asd.com |
+      | student1 | Student | 1 | student1@asd.com |
+      | student2 | Student | 2 | student2@asd.com |
+      | student3 | Student | 3 | student3@asd.com |
+      | student4 | Student | 4 | student4@asd.com |
+      | student5 | Student | 5 | student5@asd.com |
+      | student6 | Student | 6 | student6@asd.com |
+      | student7 | Student | 7 | student7@asd.com |
+      | student8 | Student | 8 | student8@asd.com |
+      | student9 | Student | 9 | student9@asd.com |
+    And the following "course enrolments" exists:
+      | user | course | role |
+      | teacher1 | C1 | editingteacher |
+      | student0 | C1 | student |
+      | student1 | C1 | student |
+      | student2 | C1 | student |
+      | student3 | C1 | student |
+      | student4 | C1 | student |
+      | student5 | C1 | student |
+      | student6 | C1 | student |
+      | student7 | C1 | student |
+      | student8 | C1 | student |
+      | student9 | C1 | student |
+    And I log in as "teacher1"
+    And I follow "Course 1"
+    And I expand "Users" node
+    And I follow "Groups"
+    When I press "Auto-create groups"
+    And I expand all fieldsets
+    And I fill the moodle form with:
+      | Group/member count | 2 |
+      | Create in grouping | New grouping |
+      | Grouping name | Grouping name |
+    And I press "Preview"
+    Then I should see "Group members"
+    And I should see "User count"
+    And I should see "Group A"
+    And I should see "Group B"
+    And I press "Submit"
+    And the "groups" select box should contain "Group A (5)"
+    And the "groups" select box should contain "Group B (5)"
+    And I follow "Groupings"
+    And I should see "Grouping name"
+    And I click on "Show groups in grouping" "link" in the "Grouping name" table row
+    And the "removeselect" select box should contain "Group A"
+    And the "removeselect" select box should contain "Group B"