clean: clean up some vars in TransactionRequestServiceImplTest

Author: notmaddock

src/test/java/dev/maddock/sprank/service/impl/TransactionRequestServiceImplTest.java

@@ -166,9 +166,7 @@ void customerDoesNotOwnTargetAccount_shouldThrow() {
     class FulfillTransactionRequestTest {
 
         private Customer fulfillingCustomer;
-        private Account fulfillingAccount;
 
-        private Account targetAccount;
         private TransactionRequest transactionRequest;
 
         private FulfillTransactionRequestRequest fulfillTransactionRequestRequest;
@@ -177,10 +175,10 @@ class FulfillTransactionRequestTest {
         void setUp() {
             fulfillingCustomer = Customer.builder().id(UUID.randomUUID()).build();
 
-            fulfillingAccount = Account.builder().id(UUID.randomUUID()).customer(fulfillingCustomer).build();
+            Account fulfillingAccount = Account.builder().id(UUID.randomUUID()).customer(fulfillingCustomer).build();
 
 
-            targetAccount = Account.builder()
+            Account targetAccount = Account.builder()
                     .id(UUID.randomUUID())
                     .currency(Currency.US_DOLLAR)
                     .build();