test(money): cover converter known currency narrowing

Author: simPod

money/composer.json

@@ -5,7 +5,7 @@
     "type": "phpstan-extension",
     "require": {
         "php": "^8.4",
-        "brick/money": "^0.13 || ^0.14 || ^0.15 || ^0.16 || ^0.17 || ^0.18",
+        "brick/money": "^0.13",
         "phpstan/phpstan": "^2.1"
     },
     "require-dev": {

money/tests/data/MoneyThrowTypes.php

@@ -6,6 +6,7 @@
 
 use Brick\Math\BigDecimal;
 use Brick\Math\BigInteger;
+use Brick\Math\Exception\RoundingNecessaryException;
 use Brick\Math\RoundingMode;
 use Brick\Money\Context\CustomContext;
 use Brick\Money\Currency;
@@ -342,6 +343,19 @@ public function convertWithSafeCurrency(CurrencyConverter $converter, Money $mon
         }
     }
 
+    public function convertWithSafeCurrencyCatchingResidualExceptions(
+        CurrencyConverter $converter,
+        Money $money,
+    ): void {
+        try {
+            $result = $converter->convert($money, 'USD');
+        } catch (ExchangeRateException | RoundingNecessaryException) {
+            $result = $money;
+        } finally {
+            assertVariableCertainty(TrinaryLogic::createYes(), $result);
+        }
+    }
+
     public function convertWithSafeCurrencyAndRoundingMode(CurrencyConverter $converter, Money $money): void
     {
         try {