BAEL-4687: returned fixed date instead of dynamic

spring-boot-modules/spring-boot-data-2/src/test/java/com/baeldung/boot/jackson/app/AbstractCoffeeIntegrationTest.java

@@ -6,9 +6,9 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.context.SpringBootTest;
 import org.springframework.boot.test.web.client.TestRestTemplate;
 
-import java.time.LocalDateTime;
 import java.time.format.DateTimeFormatter;
 
+import static com.baeldung.boot.jackson.config.CoffeeConstants.FIXED_DATE;
 import static org.assertj.core.api.Assertions.assertThat;
 
 @SpringBootTest(classes = Application.class, webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT)
@@ -19,13 +19,14 @@ public abstract class AbstractCoffeeIntegrationTest {
 
     @Test
     public void whenGetCoffee_thenSerializedWithDateAndNonNull() {
-        String formattedDate = DateTimeFormatter.ofPattern(CoffeeConstants.dateTimeFormat)
-                .format(LocalDateTime.now());
+        String formattedDate = DateTimeFormatter.ofPattern(CoffeeConstants.DATETIME_FORMAT)
+                .format(FIXED_DATE);
 
         String brand = "Lavazza";
-
         String url = "/coffee?brand=" + brand;
+
         String response = restTemplate.getForObject(url, String.class);
+
         assertThat(response).isEqualTo(
                 "{\"brand\":\"" + brand + "\",\"date\":\"" + formattedDate + "\"}");
     }