diff --git a/tests/behat/shopping_cart_costcenter_credit_manager.feature b/tests/behat/shopping_cart_costcenter_credit_manager.feature
index 2a69ba9..e94f2e1 100644
--- a/tests/behat/shopping_cart_costcenter_credit_manager.feature
+++ b/tests/behat/shopping_cart_costcenter_credit_manager.feature
@@ -33,7 +33,6 @@ Feature: Cashier manage credits with costcenters enabled in shopping cart
     Given the following config values are set as admin:
       | config                      | value       | plugin              |
       | samecostcenterforcredits    | 1           | local_shopping_cart |
-      | defaultcostcenterforcredits | CostCenter1 | local_shopping_cart |
     And I log in as "admin"
     And I visit "/local/shopping_cart/cashier.php"
     And I set the field "Select a user..." to "Username1"
@@ -42,6 +41,7 @@ Feature: Cashier manage credits with costcenters enabled in shopping cart
     And I wait until the page is ready
     ## And I should not see "Credits" in the ".cashier-history-items" "css_element"
     And "//*[@class='credit_total']" "xpath_element" should not exist
+    ## Add credits to the CostCenter1
     When I click on "Credits manager" "button"
     And I wait until the page is ready
     ## Dynamic fields - step-by-step proceeding required
@@ -51,6 +51,7 @@ Feature: Cashier manage credits with costcenters enabled in shopping cart
     And I set the field "Reason" to "add credits CostCenter1"
     And I press "Save changes"
     And I wait until the page is ready
+    ## Add credits to the CostCenter2
     And I click on "Credits manager" "button"
     And I wait until the page is ready
     ## Dynamic fields - step-by-step proceeding required
@@ -60,12 +61,62 @@ Feature: Cashier manage credits with costcenters enabled in shopping cart
     And I set the field "Reason" to "add credits CostCenter2"
     And I press "Save changes"
     And I wait until the page is ready
+    ## Verify credits per costcenters
     Then I should see "16.35" in the ".cashier-history-items [data-costcenter=\"CostCenter1\"] .credit_total" "css_element"
     And I should see "25.53" in the ".cashier-history-items [data-costcenter=\"CostCenter2\"] .credit_total" "css_element"
     And I follow "Cash report"
     And I wait until the page is ready
     And I should see "25.53" in the "#cash_report_table_r1" "css_element"
-    And I should see "add credits" in the "#cash_report_table_r1" "css_element"
+    And I should see "add credits CostCenter2" in the "#cash_report_table_r1" "css_element"
     And I should see "16.35" in the "#cash_report_table_r2" "css_element"
-    And I should see "add credits" in the "#cash_report_table_r2" "css_element"
+    And I should see "add credits CostCenter1" in the "#cash_report_table_r2" "css_element"
+    And "//*[@id='cash_report_table_r3']" "xpath_element" should not exist
+
+  @javascript
+  Scenario: Shopping cart costcenter credits: cashier correct (reduce) credits for user
+    Given the following config values are set as admin:
+      | config                      | value       | plugin              |
+      | samecostcenterforcredits    | 1           | local_shopping_cart |
+    ##  | defaultcostcenterforcredits | CostCenter1 | local_shopping_cart | 
+    And the following "local_shopping_cart > user credits" exist:
+      | user  | credit | currency | costcenter  |
+      | user1 | 30     | EUR      | CostCenter1 |
+      | user1 | 40     | EUR      | CostCenter2 |
+    And I log in as "admin"
+    And I visit "/local/shopping_cart/cashier.php"
+    And I set the field "Select a user..." to "Username1"
+    And I should see "Username1 Test"
+    And I click on "Continue" "button"
+    And I wait until the page is ready
+    And I should see "30" in the ".cashier-history-items [data-costcenter=\"CostCenter1\"] .credit_total" "css_element"
+    And I should see "40" in the ".cashier-history-items [data-costcenter=\"CostCenter2\"] .credit_total" "css_element"
+    ## Reduce credits to the CostCenter1
+    When I click on "Credits manager" "button"
+    And I wait until the page is ready
+    ## Dynamic fields - step-by-step proceeding required
+    And I set the field "What do you want to do?" to "Correct credits"
+    And I set the field "Correction value or credits to pay back" to "-11"
+    And I set the field "Costcenter to which the credit is assigned to" to "CostCenter1"
+    And I set the field "Reason" to "cc1 reduce credits"
+    And I press "Save changes"
+    And I wait until the page is ready
+    ## Reduce credits to the CostCenter2
+    When I click on "Credits manager" "button"
+    And I wait until the page is ready
+    ## Dynamic fields - step-by-step proceeding required
+    And I set the field "What do you want to do?" to "Correct credits"
+    And I set the field "Correction value or credits to pay back" to "-12"
+    And I set the field "Costcenter to which the credit is assigned to" to "CostCenter2"
+    And I set the field "Reason" to "cc2 reduce credits"
+    And I press "Save changes"
+    And I wait until the page is ready
+    ## Verify credits per costcenters
+    Then I should see "19.00" in the ".cashier-history-items [data-costcenter=\"CostCenter1\"] .credit_total" "css_element"
+    And I should see "28.00" in the ".cashier-history-items [data-costcenter=\"CostCenter2\"] .credit_total" "css_element"
+    And I follow "Cash report"
+    And I wait until the page is ready
+    And I should see "-12.00" in the "#cash_report_table_r1" "css_element"
+    And I should see "cc2 reduce credits" in the "#cash_report_table_r1" "css_element"
+    And I should see "-11.00" in the "#cash_report_table_r2" "css_element"
+    And I should see "cc1 reduce credits" in the "#cash_report_table_r2" "css_element"
     And "//*[@id='cash_report_table_r3']" "xpath_element" should not exist