fix naming of saving in integration tests

Author: emmalanigan

src/main/kotlin/uk/gov/justice/digital/hmpps/hmppsintegrationapi/controllers/v1/BalancesController.kt

@@ -27,7 +27,7 @@ class BalancesController(
 ) {
   @GetMapping()
   @Operation(
-    summary = "Returns a all accounts for a prisoner that they have at a prison.",
+    summary = "Returns all accounts for a prisoner that they have at a prison.",
     description = "<b>Applicable filters</b>: <ul><li>prisons</li></ul>",
     responses = [
       ApiResponse(responseCode = "200", useReturnTypeSchema = true, description = "Successfully found a prisoner's accounts."),

src/test/kotlin/uk/gov/justice/digital/hmpps/hmppsintegrationapi/integration/prison/BalanceIntegrationTest.kt

@@ -26,7 +26,7 @@ class BalanceIntegrationTest : IntegrationTestBase() {
                 "amount": 5678
               },
               {
-                "accountCode": "saving",
+                "accountCode": "savings",
                 "amount": 12344
               },
               {