DataCash: Fix remote tests
DataCash: Fix remote tests

There were a few existing errors when trying to run DataCash remote
tests. Updates these tests to passing.

Remote:
29 tests, 90 assertions, 0 failures, 0 errors, 0 pendings, 0 omissions, 0 notifications
100% passed

Unit:
14 tests, 34 assertions, 0 failures, 0 errors, 0 pendings, 0 omissions, 0 notifications
100% passed

taf2/active_merchant,Simplero/active_merchant,vanboom/active_merchant,atxwebs/active_merchant,buttercloud/active_merchant,Shopify/active_merchant,davidsantoso/active_merchant,planetargon/active_merchant,pinpayments/active_merchant,vampirechicken/active_merchant,activemerchant/active_merchant,varyonic/active_merchant,curiousepic/active_merchant