Reinstated deactivated test.
Tests for INTG-316
Corrected tests indicate expected behavoiour of WebserviceRowFormatter. Did break out adding up the totals for different vat rates to a helper function.
Merge branch 'feature/FixedDiscount_calculated_from_order_item_rows_only_INTG-316' into develop
Added tests for FixedDiscount specified with amountExVat only to HostedRowFormatterTest
INTG-312 implemented for Hosted payments.
Merge branch 'feature/Include_HostedWebFormatter_for_INTG-312' into develop