test(infra): update WireMock tests for Stripe and Circle adapter changes

Stripe: remove confirm=true assertion (confirm removed from adapter)
Circle: update expected amount from 10000.000000 to 10000.00 (2dp rounding)

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: Puneethkumarck

fiat-off-ramp/fiat-off-ramp/src/test/java/com/stablecoin/payments/offramp/infrastructure/provider/circle/CircleRedemptionAdapterTest.java

@@ -51,7 +51,7 @@ void setUp() {
     }
 
     private RedemptionRequest aRedemptionRequest() {
-        return new RedemptionRequest(PAYOUT_ID, "USDC", new BigDecimal("10000.000000"), BigDecimal.ONE);
+        return new RedemptionRequest(PAYOUT_ID, "USDC", new BigDecimal("10000.00"), BigDecimal.ONE);
     }
 
     @Nested
@@ -168,7 +168,7 @@ void redeem_verifiesRequestBodyAndAuth() {
                                       "data": {
                                         "id": "circle-payout-verify",
                                         "amount": {
-                                          "amount": "10000.000000",
+                                          "amount": "10000.00",
                                           "currency": "USD"
                                         },
                                         "status": "pending",
@@ -190,7 +190,7 @@ void redeem_verifiesRequestBodyAndAuth() {
                                 "id": "%s"
                               },
                               "amount": {
-                                "amount": "10000.000000",
+                                "amount": "10000.00",
                                 "currency": "USD"
                               }
                             }

fiat-on-ramp/fiat-on-ramp/src/test/java/com/stablecoin/payments/onramp/infrastructure/provider/stripe/StripePspAdapterTest.java

@@ -186,7 +186,6 @@ void initiatePayment_verifiesRequestBody() {
                     .withRequestBody(containing("amount=25000"))
                     .withRequestBody(containing("currency=usd"))
                     .withRequestBody(containing("payment_method_types%5B%5D=us_bank_account"))
-                    .withRequestBody(containing("confirm=true"))
                     .withRequestBody(containing("metadata%5Bcollection_id%5D=" + COLLECTION_ID)));
         }
     }