diff --git a/src/integrationTest/kotlin/camilyed/github/io/currencyexchangeapi/web/AccountCreationIntegrationTest.kt b/src/integrationTest/kotlin/camilyed/github/io/currencyexchangeapi/web/AccountCreationIntegrationTest.kt
index e8838d7..a6afb27 100644
--- a/src/integrationTest/kotlin/camilyed/github/io/currencyexchangeapi/web/AccountCreationIntegrationTest.kt
+++ b/src/integrationTest/kotlin/camilyed/github/io/currencyexchangeapi/web/AccountCreationIntegrationTest.kt
@@ -115,4 +115,6 @@ class AccountCreationIntegrationTest :
             .isBadRequest()
             .hasProblemDetail("X-Request-Id", "X-Request-Id is required and must be a valid UUID")
     }
+
+    // TODO add test for optimistick locking ?
 }