Add imports and constants

services/src/test/java/eu/profinit/education/flightlog/service/PersonServiceTest.java

@@ -5,6 +5,7 @@ import static org.junit.jupiter.api.Assertions.assertSame;
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.Mockito.when;
+import java.util.Arrays;
 import java.util.List;
 import java.util.Optional;
@@ -26,6 +27,10 @@ import eu.profinit.education.flightlog.to.PersonTo;
 @ExtendWith(MockitoExtension.class)
 class PersonServiceTest {
+    private static final List<String> PERSON_ROLES = Arrays.asList("PILOT");
+    private static final String PERSON_LAST_NAME = "Spoustová";
+    private static final String PERSON_FIRST_NAME = "Kamila";
+
     @Mock
     private PersonRepository personRepository;