diff --git a/support-portal-backend/pom.xml b/support-portal-backend/pom.xml
index 1f533e1..66217c7 100644
--- a/support-portal-backend/pom.xml
+++ b/support-portal-backend/pom.xml
@@ -56,6 +56,13 @@
             <artifactId>spring-security-test</artifactId>
             <scope>test</scope>
         </dependency>
+
+        <dependency>
+            <groupId>com.github.javafaker</groupId>
+            <artifactId>javafaker</artifactId>
+            <version>1.0.2</version>
+        </dependency>
+
     </dependencies>
 
     <build>
diff --git a/support-portal-backend/src/main/java/net/shyshkin/study/fullstack/supportportal/backend/domain/User.java b/support-portal-backend/src/main/java/net/shyshkin/study/fullstack/supportportal/backend/domain/User.java
index 1b6d8bf..04eb146 100644
--- a/support-portal-backend/src/main/java/net/shyshkin/study/fullstack/supportportal/backend/domain/User.java
+++ b/support-portal-backend/src/main/java/net/shyshkin/study/fullstack/supportportal/backend/domain/User.java
@@ -1,9 +1,6 @@
 package net.shyshkin.study.fullstack.supportportal.backend.domain;
 
-import lombok.AllArgsConstructor;
-import lombok.Data;
-import lombok.EqualsAndHashCode;
-import lombok.NoArgsConstructor;
+import lombok.*;
 
 import javax.persistence.Entity;
 import javax.persistence.GeneratedValue;
@@ -18,6 +15,7 @@ import java.time.LocalDateTime;
 @NoArgsConstructor
 @AllArgsConstructor
 @EqualsAndHashCode(onlyExplicitlyIncluded = true)
+@Builder
 public class User implements Serializable {
 
     private static final long serialVersionUID = -4372214856545239049L;
diff --git a/support-portal-backend/src/main/resources/application.yml b/support-portal-backend/src/main/resources/application.yml
index ce95396..c11bf0b 100644
--- a/support-portal-backend/src/main/resources/application.yml
+++ b/support-portal-backend/src/main/resources/application.yml
@@ -19,4 +19,7 @@ spring:
   datasource:
     url: jdbc:mysql://localhost:23306/support-portal
   jpa:
-    show-sql: true
\ No newline at end of file
+    show-sql: true
+logging:
+  level:
+    net.shyshkin: debug
\ No newline at end of file
diff --git a/support-portal-backend/src/test/java/net/shyshkin/study/fullstack/supportportal/backend/domain/UserPrincipalTest.java b/support-portal-backend/src/test/java/net/shyshkin/study/fullstack/supportportal/backend/domain/UserPrincipalTest.java
new file mode 100644
index 0000000..138d275
--- /dev/null
+++ b/support-portal-backend/src/test/java/net/shyshkin/study/fullstack/supportportal/backend/domain/UserPrincipalTest.java
@@ -0,0 +1,79 @@
+package net.shyshkin.study.fullstack.supportportal.backend.domain;
+
+import com.github.javafaker.Faker;
+import lombok.extern.slf4j.Slf4j;
+import net.shyshkin.study.fullstack.supportportal.backend.repository.UserRepository;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.ActiveProfiles;
+
+import java.time.LocalDateTime;
+import java.util.Optional;
+import java.util.UUID;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+@Slf4j
+@SpringBootTest
+@ActiveProfiles("local")
+class UserPrincipalTest {
+
+    public static final Faker FAKER = Faker.instance();
+
+    @Autowired
+    UserRepository userRepository;
+    private User user;
+
+    @BeforeEach
+    void setUp() {
+        User fakeUser = createRandomUser();
+        user = userRepository.save(fakeUser);
+    }
+
+    @Test
+    void displayUser() {
+        //given
+        Long id = user.getId();
+        int expectedAuthoritiesLength = user.getAuthorities().length + user.getRoles().length;
+
+        //when
+        Optional<User> savedUserOptional = userRepository.findById(id);
+        assertThat(savedUserOptional)
+                .hasValueSatisfying(userSaved -> assertThat(userSaved)
+                        .hasNoNullFieldsOrProperties()
+                        .satisfies(u -> log.debug("Saved User: {}", u)
+                        )
+                );
+
+        Optional<UserPrincipal> userPrincipalOptional = savedUserOptional.map(UserPrincipal::new);
+
+        //then
+        assertThat(userPrincipalOptional)
+                .hasValueSatisfying(userPrincipal -> assertThat(userPrincipal.getAuthorities())
+                        .isNotNull()
+                        .isNotEmpty()
+                        .hasSize(expectedAuthoritiesLength)
+                        .satisfies(authorities -> log.debug("Authorities: {}", authorities)));
+    }
+
+    private User createRandomUser() {
+        return User.builder()
+                .email(FAKER.bothify("????##@example.com"))
+                .firstName(FAKER.name().firstName())
+                .lastName(FAKER.name().lastName())
+                .username(FAKER.name().username())
+                .password("bad_password")
+                .userId(UUID.randomUUID().toString())
+                .isActive(true)
+                .isNotLocked(true)
+                .joinDate(LocalDateTime.now())
+                .profileImageUrl("http://url_to_profile_img")
+                .lastLoginDate(LocalDateTime.now())
+                .lastLoginDateDisplay(LocalDateTime.now())
+                .roles(new String[]{"ROLE_ADMIN", "ROLE_USER"})
+                .authorities(new String[]{"user:delete", "user:read"})
+                .build();
+    }
+}
\ No newline at end of file