Disable navigation to Pages config if Pages is disabled

* Regards project-level pages config
- Nav link is now shown only if Pages is enabled for instance
- Navigation to following controllers denied if Pages disabled:
  * projects/pages_controller
  * projects/pages_domains_controller
- 'disabled' partial removed
+ Test for pages_controller introduced

2 files changed, 8 insertions, 10 deletions

diff --git a/features/project/active_tab.feature b/features/project/active_tab.feature
index 0d6f7350181..34201cd8486 100644
--- a/features/project/active_tab.feature
+++ b/features/project/active_tab.feature
@@ -63,13 +63,6 @@ Feature: Project Active Tab
     And no other sub tabs should be active
     And the active main tab should be Settings
 
-  Scenario: On Project Settings/Pages
-    Given I visit my project's settings page
-    And I click the "Pages" tab
-    Then the active sub tab should be Pages
-    And no other sub tabs should be active
-    And the active main tab should be Settings
-
   Scenario: On Project Members
     Given I visit my project's members page
     Then the active sub tab should be Members
diff --git a/features/project/pages.feature b/features/project/pages.feature
index 87d88348d09..56e47287b5c 100644
--- a/features/project/pages.feature
+++ b/features/project/pages.feature
@@ -3,10 +3,15 @@ Feature: Project Pages
     Given I sign in as a user
     And I own a project
 
-  Scenario: Pages are disabled
+  Scenario: I cannot navigate to Pages settings if pages enabled
     Given pages are disabled
-    When I visit the Project Pages
-    Then I should see that GitLab Pages are disabled
+    And I visit my project's settings page
+    Then I should not see the "Pages" tab
+
+  Scenario: I can navigate to Pages settings if pages enabled
+    Given pages are enabled
+    And I visit my project's settings page
+    Then I should see the "Pages" tab
 
   Scenario: I can see the pages usage if not deployed
     Given pages are enabled