Added a test for App.java

Author: Ahmed-Taha-981

money/src/test/java/com/iluwater/money/MoneyTest.java

@@ -5,6 +5,7 @@
 import com.iluwatar.CannotAddTwoCurrienciesException;
 import com.iluwatar.CannotSubtractException;
 import com.iluwatar.Money;
+import com.iluwatar.App;
 
 
  class MoneyTest {
@@ -112,4 +113,13 @@ void testExchangeCurrency_NegativeExchangeRate() {
       money.exchangeCurrency("EUR", -0.85);
     });
   }
+
+
+  @Test
+     void testAppExecution() {
+       assertDoesNotThrow(() -> {
+         App.main(new String[]{});
+       }, "App execution should not throw any exceptions");
+     }
+
 }