bounty complete for Issue #2 : Increase testing coverage for SDK endpoints

[haruncurak]

/claim #2

Extended previously-instated Jest testing framework to cover all API endpoints, with 47 tests in total across 23 test suites.

Endpoints tested:

Wallet

GET: Get Wallet Details

Charges

POST: Create Charge
GET: Get Charge Details

Static Charges

POST: Create Static Charge
PATCH: Update Static Charge
GET: Get Static Charge Details

Withdrawal Requests

POST: Create Withdrawal Request
GET: Get Withdrawal Request Details

Payments

POST: Pay Invoice
GET: Get Payment Details

Lightning Address

POST: Send Payment to Lightning Address
POST: Fetch Charge from Lightning Address
GET: Validate Lightning Address

Gamertag

POST: Send Payment to Gamertag
GET: Fetch Gamertag Transaction Details By ID
GET: Fetch User ID By Gamertag
GET: Fetch Gamertag By User ID
POST: Fetch Charge from Gamertag

Utilities

GET: Is Supported Region
GET: API Production IPs
GET: BTC USD Exchange Rate

Log in with ZBD (OAuth2)

GET: Authorization
POST: Fetch Access Token
POST: Refresh Token
GET: Fetch User Data
GET: Fetch User Wallet Data

Keysend

POST: Send Keysend Payment

Internal Transfers

POST: Initiate Internal Transfer