[Bexley][WW] Use total_containers rather than new_containers for garden sub

new_containers already has current_containers subtracted from it;
we want to pass the original total to Bexley.

Author: nephila-nacrea

perllib/Open311/Endpoint/Integration/Agile.pm

@@ -120,7 +120,7 @@ sub _garden_subscription {
             TitleCode                 => 'Default',
             CustomerExternalReference => '',
             ServiceContractUPRN       => $args->{attributes}{uprn},
-            WasteContainerQuantity    => int( $args->{attributes}{new_containers} ) || 1,
+            WasteContainerQuantity    => int( $args->{attributes}{total_containers} ) || 1,
             AlreadyHasBinQuantity => int( $args->{attributes}{current_containers} ) || 0,
             PaymentReference      => $args->{attributes}{PaymentCode},
             PaymentMethodCode     =>

t/open311/endpoint/agile.t

@@ -188,7 +188,7 @@ subtest 'successfully subscribe to garden waste' => sub {
         'attribute[fixmystreet_id]' => 2000001,
         'attribute[uprn]' => '123_no_sub',
         'attribute[current_containers]' => 1,
-        'attribute[new_containers]' => 2,
+        'attribute[total_containers]' => 2,
         'attribute[payment_method]' => 'credit_card',
         'attribute[PaymentCode]' => 'payment_123',
     );
@@ -214,7 +214,7 @@ subtest 'try to subscribe to garden waste when already subscribed' => sub {
         'attribute[fixmystreet_id]' => 2000001,
         'attribute[uprn]' => '234_has_sub',
         'attribute[current_containers]' => 1,
-        'attribute[new_containers]' => 2,
+        'attribute[total_containers]' => 2,
         'attribute[payment_method]' => 'credit_card',
         'attribute[PaymentCode]' => 'payment_123',
     );
@@ -238,7 +238,7 @@ subtest 'handle unknown error' => sub {
         'attribute[fixmystreet_id]' => 'bad_data',
         'attribute[uprn]' => '123_no_sub',
         'attribute[current_containers]' => 1,
-        'attribute[new_containers]' => 2,
+        'attribute[total_containers]' => 2,
         'attribute[payment_method]' => 'credit_card',
         'attribute[PaymentCode]' => 'payment_123',
     );