Remove test case 5a as separated into test case 15

spec/features/work_packages/datepicker/datepicker_logic_spec.rb

@@ -206,33 +206,6 @@ describe 'Datepicker modal logic test cases (WP #43539)',
     end
   end
 
-  describe 'when all values set and include NWD, reduce duration (test case 5a)' do
-    let(:current_attributes) do
-      {
-        start_date: Date.parse('2021-02-08'),
-        due_date: Date.parse('2021-02-22'),
-        duration: 11,
-        ignore_non_working_days: true
-      }
-    end
-
-    it 'sets the duration to 10' do
-      datepicker.expect_start_date '2021-02-08'
-      datepicker.expect_due_date '2021-02-22'
-      datepicker.expect_duration 11
-
-      datepicker.set_duration 10
-
-      datepicker.expect_start_date '2021-02-08'
-      datepicker.expect_due_date '2021-02-21'
-      datepicker.expect_duration 10
-
-      apply_and_expect_saved duration: 12,
-                             start_date: Date.parse('2021-02-08'),
-                             due_date: Date.parse('2021-02-21')
-    end
-  end
-
   describe 'when all values set, remove duration (test case 6)' do
     let(:current_attributes) do
       {

spec/support/components/datepicker/work_package_datepicker.rb

@@ -89,6 +89,14 @@ module Components
       start_date_field.click
     end
 
+    def ignore_non_working_days(val)
+      if val
+        container.click_on 'Include non-working days'
+      else
+        container.click_on 'Working days only'
+      end
+    end
+
     def clear_duration
       duration = find_field 'duration'
       duration.click