PIMOB:3162 - Add token_format for Googlepay token

[chintan-soni-cko]

Issue

PIMOB-3162
Reference ticket for Tier 1 merchant

Proposed changes

1. Add missing fields token_format for Google pay. Api reference
2. Updated and refactored unit tests

Note

Currently, keys are deprecated. Ticket is in the backlog. So, whenever testing it use Flow Sandbox keys for now manually.

Test Steps

Manual testing:
For Gpay tokenisation response validate value for token_format from onSucces callback which returning TokenDetails

Checklist

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• Reviewers assigned
• I have performed a self-review of my code and manual testing
• Lint and unit tests pass locally with my changes
• I have added tests that prove my fix is effective or that my feature works
• I have added necessary documentation (if applicable)

Further comments

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