FEAT: Connection test creating connection

- If any error occurs, connection is deleted
 - If operation_result is false, connection is deleted

src/utils/errorCodes.ts

@@ -38,6 +38,13 @@ const TERMS_OF_USE = {
   REQUIRED: 'TERMS_OF_USE.REQUIRED',
 };
 
+const CONNECTION_TEST = {
+  ERROR: 'CONNECTION_TEST.ERROR',
+  EXPIRED: 'CONNECTION_TEST.EXPIRED',
+  TIMEOUT: 'CONNECTION_TEST.TIMEOUT',
+  UNKNOWN: 'CONNECTION_TEST.UNKNOWN',
+};
+
 const ErrorCodes = {
   UNKNOWN: 'UNKNOWN',
   RATE_LIMIT: 'RATE_LIMIT',
@@ -47,6 +54,7 @@ const ErrorCodes = {
   TERMS_OF_USE,
   USER,
   CUSTOMER,
+  CONNECTION_TEST,
 };
 
 export default ErrorCodes;