Set initial password for instance in LDAP QA test

For a new instance, the root password needs to be set, regardless of whether
LDAP is enabled.

qa/qa/page/main/login.rb

@@ -31,22 +31,29 @@ module QA
           end
         end
+        def set_initial_password_if_present
+          if page.has_content?('Change your password')
+            fill_in :user_password, with: Runtime::User.password
+            fill_in :user_password_confirmation, with: Runtime::User.password
+            click_button 'Change your password'
+          end
+        end
+
         def sign_in_using_ldap_credentials
-          click_link 'LDAP'
-          fill_in :username, with: Runtime::User.name
-          fill_in :password, with: Runtime::User.password
-          click_button 'Sign in'
+          using_wait_time 0 do
+            set_initial_password_if_present
+            click_link 'LDAP'
+            fill_in :username, with: Runtime::User.name
+            fill_in :password, with: Runtime::User.password
+            click_button 'Sign in'
+          end
         end
         def sign_in_using_credentials
           using_wait_time 0 do
-            if page.has_content?('Change your password')
-              fill_in :user_password, with: Runtime::User.password
-              fill_in :user_password_confirmation, with: Runtime::User.password
-              click_button 'Change your password'
-            end
+            set_initial_password_if_present
             click_link 'Standard' if page.has_content?('LDAP')