MDL-87218 lang: Use the fixed strings in tests, too

mod/assign/tests/behat/assign_group_override.feature

@@ -187,7 +187,7 @@ Feature: Assign group override
     And I am on the "Assignment 2" Activity page logged in as teacher1
     When I navigate to "Overrides" in current page administration
     And I select "Group overrides" from the "jump" singleselect
-    Then I should see "No groups you can access."
+    Then I should see "There are no groups in this course."
     And the "Add group override" "button" should be disabled
 
   Scenario: A teacher without accessallgroups permission should only be able to add group override for groups that he/she is a member of,

mod/assign/tests/behat/assign_user_override.feature

@@ -165,7 +165,7 @@ Feature: Assign user override
       | assign   | Assignment 2 | Assignment 2 description | C1     | 1         |
     And I am on the "Assignment 2" Activity page logged in as teacher1
     When I navigate to "Overrides" in current page administration
-    Then I should see "No groups you can access."
+    Then I should see "There are no groups in this course."
     And the "Add user override" "button" should be disabled
 
   Scenario: A teacher without accessallgroups permission should only be able to add user override for users that he/she shares groups with,

mod/lesson/tests/behat/lesson_group_override.feature

@@ -305,7 +305,7 @@ Feature: Lesson group override
     When I am on the "Lesson 2" "lesson activity" page logged in as teacher1
     And I navigate to "Overrides" in current page administration
     And I select "Group overrides" from the "jump" singleselect
-    Then I should see "No groups you can access."
+    Then I should see "There are no groups in this course."
     And I should not see "Add group override"
 
   Scenario: A teacher without accessallgroups permission should only be able to add group override for their groups, when the activity's group mode is 'separate groups'

mod/lesson/tests/behat/lesson_user_override.feature

@@ -250,7 +250,7 @@ Feature: Lesson user override
       | lesson   | Lesson 2 | Lesson 2 description | C1     | lesson2  | 1         |
     When I am on the "Lesson 2" "lesson activity" page logged in as teacher1
     And I navigate to "Overrides" in current page administration
-    Then I should see "No groups you can access."
+    Then I should see "There are no groups in this course."
     And I should not see "Add user override"
 
   Scenario: A teacher without accessallgroups permission should only be able to add user override for their group-mates, when the activity's group mode is 'separate groups'

mod/quiz/tests/behat/quiz_group_override.feature

@@ -61,7 +61,7 @@ Feature: Quiz group override
       | capability                  | permission | role           | contextlevel | reference |
       | moodle/site:accessallgroups | Prevent    | editingteacher | Course       | C1        |
     When I am on the "Test quiz" "mod_quiz > Group overrides" page logged in as "teacher3"
-    Then I should see "No groups you can access."
+    Then I should see "There are no groups in this course."
     And the "Add group override" "button" should be disabled
 
   Scenario: A teacher can create an override

mod/quiz/tests/behat/quiz_user_override.feature

@@ -159,7 +159,7 @@ Feature: Quiz user override
       | activity | name      | course | idnumber | groupmode |
       | quiz     | Test quiz | C1     | quiz1    | 1         |
     When I am on the "Test quiz" "mod_quiz > User overrides" page logged in as "teacher"
-    Then I should see "No groups you can access."
+    Then I should see "There are no groups in this course."
     And the "Add user override" "button" should be disabled
 
   Scenario: A non-editing teacher can see the overrides, but not change them