errors on spree master hidden by generic exception rescue in API

errors.txt

bundle exec rspec spec/features/admin/orders/order_details_spec.rb 
Instance method "open" is already defined in Object, use generic helper instead or set StateMachines::Machine.ignore_method_conflicts = true.
...........*...FF.F...FF.......

Pending:
  Order Details as Admin Shipment edit page splitting to location should warn you if you have not selected a location or shipment
    # Not yet implemented
    # ./spec/features/admin/orders/order_details_spec.rb:188

Failures:

  1) Order Details as Admin Shipment edit page splitting to location there is enough stock at the other location should not split anything if the input quantity is garbage
     Failure/Error: Unable to find matching line from backtrace
     ArgumentError:
       ArgumentError
     # /home/ubuntu/spree/core/app/models/spree/shipment.rb:345:in `transfer_to_location'
     # /home/ubuntu/spree/api/app/controllers/spree/api/v1/shipments_controller.rb:78:in `transfer_to_location'

  2) Order Details as Admin Shipment edit page splitting to location there is enough stock at the other location should not allow less than or equal to zero qty
     Failure/Error: Unable to find matching line from backtrace
     ArgumentError:
       ArgumentError
     # /home/ubuntu/spree/core/app/models/spree/shipment.rb:345:in `transfer_to_location'
     # /home/ubuntu/spree/api/app/controllers/spree/api/v1/shipments_controller.rb:78:in `transfer_to_location'

  3) Order Details as Admin Shipment edit page splitting to location there is not enough stock at the other location and it cannot backorder should not allow me to split stock
     Failure/Error: Unable to find matching line from backtrace
     ActiveRecord::RecordInvalid:
       Validation failed: Count on hand must be greater than or equal to 0
     # /home/ubuntu/spree/core/app/models/spree/stock_item.rb:35:in `block in adjust_count_on_hand'
     # /home/ubuntu/spree/core/app/models/spree/stock_item.rb:31:in `adjust_count_on_hand'
     # /home/ubuntu/spree/core/app/models/spree/stock_movement.rb:26:in `update_stock_item_quantity'
     # /home/ubuntu/spree/core/app/models/spree/stock_location.rb:80:in `move'
     # /home/ubuntu/spree/core/app/models/spree/stock_location.rb:76:in `unstock'
     # /home/ubuntu/spree/core/app/models/spree/order_inventory.rb:76:in `add_to_shipment'
     # /home/ubuntu/spree/core/app/models/spree/order_inventory.rb:25:in `verify'
     # /home/ubuntu/spree/core/app/models/spree/line_item.rb:123:in `update_inventory'
     # /home/ubuntu/spree/core/app/models/spree/order_contents.rb:84:in `add_to_line_item'
     # /home/ubuntu/spree/core/app/models/spree/order_contents.rb:10:in `add'
     # /home/ubuntu/spree/core/app/models/spree/shipment.rb:352:in `block in transfer_to_location'
     # /home/ubuntu/spree/core/app/models/spree/shipment.rb:348:in `transfer_to_location'
     # /home/ubuntu/spree/api/app/controllers/spree/api/v1/shipments_controller.rb:78:in `transfer_to_location'

  4) Order Details as Admin Shipment edit page splitting to shipment receiving shipment can not backorder should not allow a split if the receiving shipment qty plus the incoming is greater than the count_on_hand
     Failure/Error: Unable to find matching line from backtrace
     ActiveRecord::RecordInvalid:
       Validation failed: Count on hand must be greater than or equal to 0
     # /home/ubuntu/spree/core/app/models/spree/stock_item.rb:35:in `block in adjust_count_on_hand'
     # /home/ubuntu/spree/core/app/models/spree/stock_item.rb:31:in `adjust_count_on_hand'
     # /home/ubuntu/spree/core/app/models/spree/stock_movement.rb:26:in `update_stock_item_quantity'
     # /home/ubuntu/spree/core/app/models/spree/stock_location.rb:80:in `move'
     # /home/ubuntu/spree/core/app/models/spree/stock_location.rb:76:in `unstock'
     # /home/ubuntu/spree/core/app/models/spree/order_inventory.rb:76:in `add_to_shipment'
     # /home/ubuntu/spree/core/app/models/spree/order_inventory.rb:25:in `verify'
     # /home/ubuntu/spree/core/app/models/spree/line_item.rb:123:in `update_inventory'
     # /home/ubuntu/spree/core/app/models/spree/order_contents.rb:84:in `add_to_line_item'
     # /home/ubuntu/spree/core/app/models/spree/order_contents.rb:10:in `add'
     # /home/ubuntu/spree/core/app/models/spree/shipment.rb:370:in `block in transfer_to_shipment'
     # /home/ubuntu/spree/core/app/models/spree/shipment.rb:368:in `transfer_to_shipment'
     # /home/ubuntu/spree/api/app/controllers/spree/api/v1/shipments_controller.rb:84:in `transfer_to_shipment'

  5) Order Details as Admin Shipment edit page splitting to shipment receiving shipment can not backorder should not allow a shipment to split stock to itself
     Failure/Error: Unable to find matching line from backtrace
     ArgumentError:
       ArgumentError
     # /home/ubuntu/spree/core/app/models/spree/shipment.rb:365:in `transfer_to_shipment'
     # /home/ubuntu/spree/api/app/controllers/spree/api/v1/shipments_controller.rb:84:in `transfer_to_shipment'

Finished in 2 minutes 30.7 seconds (files took 4.4 seconds to load)
31 examples, 5 failures, 1 pending

Failed examples:

rspec ./spec/features/admin/orders/order_details_spec.rb:242 # Order Details as Admin Shipment edit page splitting to location there is enough stock at the other location should not split anything if the input quantity is garbage
rspec ./spec/features/admin/orders/order_details_spec.rb:257 # Order Details as Admin Shipment edit page splitting to location there is enough stock at the other location should not allow less than or equal to zero qty
rspec ./spec/features/admin/orders/order_details_spec.rb:301 # Order Details as Admin Shipment edit page splitting to location there is not enough stock at the other location and it cannot backorder should not allow me to split stock
rspec ./spec/features/admin/orders/order_details_spec.rb:384 # Order Details as Admin Shipment edit page splitting to shipment receiving shipment can not backorder should not allow a split if the receiving shipment qty plus the incoming is greater than the count_on_hand
rspec ./spec/features/admin/orders/order_details_spec.rb:406 # Order Details as Admin Shipment edit page splitting to shipment receiving shipment can not backorder should not allow a shipment to split stock to itself