Fix acceptance tests for tag management

Signed-off-by: Morris Jobke <hey@morrisjobke.de>

tests/acceptance/features/app-files-tags.feature

@@ -31,7 +31,7 @@ Feature: app-files-tags
   Scenario: create tags using the Administration settings
     Given I am logged in as the admin
     And I visit the settings page
-    And I open the "Workflow" section
+    And I open the "Tag management" section
     # The "create" button does nothing before JavaScript was initialized, and
     # the only way to detect that is waiting for the button to select tags to be
     # shown.
@@ -42,7 +42,7 @@ Feature: app-files-tags
   Scenario: add tags using the dropdown in the details view
     Given I am logged in as the admin
     And I visit the settings page
-    And I open the "Workflow" section
+    And I open the "Tag management" section
     # The "create" button does nothing before JavaScript was initialized, and
     # the only way to detect that is waiting for the button to select tags to be
     # shown.
@@ -70,7 +70,7 @@ Feature: app-files-tags
   Scenario: remove tags using the dropdown in the details view
     Given I am logged in as the admin
     And I visit the settings page
-    And I open the "Workflow" section
+    And I open the "Tag management" section
     # The "create" button does nothing before JavaScript was initialized, and
     # the only way to detect that is waiting for the button to select tags to be
     # shown.