chore: update package.json and improve test formatting

- Added an override in package.json for Jest environment configuration in jest.setup.js.
- Refactored test code for better readability in usePaymentCheckout and withApplePay tests.
- Enhanced formatting in paymentHelpers test for consistency.

Author: piotr-graczyk-dev

package/package.json

@@ -43,6 +43,16 @@
     "plugins": [
       "prettier"
     ],
+    "overrides": [
+      {
+        "files": [
+          "jest.setup.js"
+        ],
+        "env": {
+          "jest": true
+        }
+      }
+    ],
     "rules": {
       "prettier/prettier": [
         "warn",

package/src/hooks/__tests__/usePaymentCheckout.integration.test.ts

@@ -23,10 +23,7 @@ describe('usePaymentCheckout integration', () => {
     mockStartPayment.mockReset()
   })
 
-  const renderCheckout = () =>
-    renderHook(() =>
-      usePaymentCheckout({})
-    )
+  const renderCheckout = () => renderHook(() => usePaymentCheckout({}))
 
   it('loads payment service status on mount', async () => {
     const { result } = renderCheckout()

package/src/plugin/__tests__/withApplePay.test.ts

@@ -76,7 +76,7 @@ describe('withApplePay', () => {
     expect(result).toEqual({
       modResults: {
         'com.apple.developer.in-app-payments': ['merchant.com.test'],
-        ReactNativePayApplePayMerchantIdentifiers: ['merchant.com.test'],
+        'ReactNativePayApplePayMerchantIdentifiers': ['merchant.com.test'],
       },
     })
   })

package/src/utils/__tests__/paymentHelpers.test.ts

@@ -71,7 +71,9 @@ describe('paymentHelpers', () => {
     expect(request.supportedNetworks).toEqual(['visa'])
     expect(request.merchantCapabilities).toEqual(['EMV'])
     expect(request.merchantName).toBe('My Store')
-    expect(request.applePayMerchantIdentifier).toBe('merchant.com.apple.override')
+    expect(request.applePayMerchantIdentifier).toBe(
+      'merchant.com.apple.override'
+    )
     expect(request.googlePayMerchantId).toBe('google-pay-merchant-id')
   })