MOBILE-4350 quiz: Disable unanswered warning in sequential navigation

Author: NoelDeMartin

src/addons/mod/quiz/pages/player/player.ts

@@ -412,7 +412,7 @@ export class AddonModQuizPlayerPage implements OnInit, OnDestroy, CanLeave {
                     .filter(question => AddonModQuiz.isQuestionUnanswered(question))
                     .length;
 
-                if (unansweredCount > 0) {
+                if (!this.isSequential && unansweredCount > 0) {
                     const warning = Translate.instant(
                         'addon.mod_quiz.submission_confirmation_unanswered',
                         { $a: unansweredCount },

src/addons/mod/quiz/tests/behat/quiz_navigation.feature

@@ -133,7 +133,10 @@ Feature: Navigate through a quiz in the app
     And I should find "Not yet answered" within "3" "ion-item" in the app
 
     When I press "Submit all and finish" in the app
-    And I press "Submit" near "Once you submit" in the app
+    Then I should find "Once you submit" in the app
+    But I should not find "Questions without a response" in the app
+
+    When I press "Submit" near "Once you submit" in the app
     Then I should find "Review" in the app
     And I should find "Text of the first question" in the app
     And I should find "Text of the second question" in the app