[$40] Ability to switch off actual payments on PROD

[maxceem]

When we create payment records using API POST /work-period-payments the actual payment would be created https://github.com/topcoder-platform/taas-apis/blob/dev/src/services/WorkPeriodPaymentService.js#L99-L105.

During testing on PROD we would like to be able to disable the actual payment processing.

Task

• Introduce a new config/env variblae PAYMENT_PROCESSING_SWITCH, with the default value OFF
• If PAYMENT_PROCESSING_SWITCH===OFF, then don't call createPayment method here https://github.com/topcoder-platform/taas-apis/blob/dev/src/services/WorkPeriodPaymentService.js#L99-L105. And just set a dummy challenge id value 00000000-0000-0000-0000-000000000000.

Unit test

Create unit tests to check this:

• should not create actual payment when "PAYMENT_PROCESSING_SWITCH" if "OFF"
• should create actual payment when "PAYMENT_PROCESSING_SWITCH" is "ON"

[maxceem]

Challenge https://www.topcoder.com/challenges/3286d857-f730-45af-9abd-69f60fac8539 has been created for this ticket.

This is an automated message for maxceem via Topcoder X

[maxceem]

@imcaizheng @eisbilir feel free to pick up as per #1

[maxceem]

Challenge https://www.topcoder.com/challenges/3286d857-f730-45af-9abd-69f60fac8539 has been assigned to aaron2017.

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[imcaizheng]

PR created #211