fix naming - saving to savings

Author: emmalanigan

src/main/kotlin/uk/gov/justice/digital/hmpps/hmppsintegrationapi/services/GetBalancesForPersonService.kt

@@ -61,7 +61,7 @@ class GetBalancesForPersonService(
         balances =
           listOf(
             AccountBalance(accountCode = "spends", amount = nomisSpends),
-            AccountBalance(accountCode = "saving", amount = nomisSavings),
+            AccountBalance(accountCode = "savings", amount = nomisSavings),
             AccountBalance(accountCode = "cash", amount = nomisCash),
           ),
       )

src/test/kotlin/uk/gov/justice/digital/hmpps/hmppsintegrationapi/controllers/v1/BalancesControllerTest.kt

@@ -45,7 +45,7 @@ class BalancesControllerTest(
         balances =
           listOf(
             AccountBalance(accountCode = "spends", amount = 101),
-            AccountBalance(accountCode = "saving", amount = 102),
+            AccountBalance(accountCode = "savings", amount = 102),
             AccountBalance(accountCode = "cash", amount = 103),
           ),
       )
@@ -72,7 +72,7 @@ class BalancesControllerTest(
                 "amount": 101
               },
               {
-                "accountCode": "saving",
+                "accountCode": "savings",
                 "amount": 102
               },
               {

src/test/kotlin/uk/gov/justice/digital/hmpps/hmppsintegrationapi/services/GetBalancesForPersonServiceTest.kt

@@ -59,7 +59,7 @@ internal class GetBalancesForPersonServiceTest(
         balances =
           listOf(
             AccountBalance(accountCode = "spends", amount = nomisSpends),
-            AccountBalance(accountCode = "saving", amount = nomisSavings),
+            AccountBalance(accountCode = "savings", amount = nomisSavings),
             AccountBalance(accountCode = "cash", amount = nomisCash),
           ),
       )