Update javaxval/src/test/java/org/baeldung/javaxval/messageinterpolator/ParameterMessageInterpolaterIntegrationTest.java

update to use the givenX_whenY_thenZ naming convention for tests

Co-Authored-By: KevinGilmore <kpg102@gmail.com>

javaxval/src/test/java/org/baeldung/javaxval/messageinterpolator/ParameterMessageInterpolaterIntegrationTest.java

@@ -41,7 +41,7 @@ public class ParameterMessageInterpolaterIntegrationTest {
     }
 
     @Test
-    public void ifAgeIsLess_ageMinValidationFails() {
+    public void givenAgeIsLessThanMin_whenValidate_thenValidationFails() {
         Person person = new Person();
         person.setName("John Stephaner Doe");
         person.setAge(16);