#1012: add @DisplayName(s)

backend/src/test/java/ch/puzzle/okr/service/persistence/PersistenceBaseTestIT.java

@@ -56,6 +56,7 @@ void tearDown() {
         TenantContext.setCurrentTenant(null);
     }
 
+    @DisplayName("findById() should return single entity if entity with id exists")
     @Test
     void findByIdShouldReturnSingleEntityIfEntityWithIdExists() {
         User foundUser = persistenceBase.findById(ID_USER_PACO);
@@ -64,15 +65,17 @@ void findByIdShouldReturnSingleEntityIfEntityWithIdExists() {
         assertUser("Paco", "Eggimann", "[email protected]", foundUser);
     }
 
+    @DisplayName("findById() should throw exception if entity with id does not exists")
     @Test
-    void findByIdShouldThrowExceptionIfEntityWithIdDoesNotExist() {
+    void findByIdShouldThrowExceptionIfEntityWithIdDoesNotExists() {
         ResponseStatusException exception = assertThrows(ResponseStatusException.class,
                 () -> persistenceBase.findById(321L));
 
         assertEquals(NOT_FOUND, exception.getStatusCode());
         assertErrorKey("MODEL_WITH_ID_NOT_FOUND", exception);
     }
 
+    @DisplayName("findById() should throw exception if id is null")
     @Test
     void findByIdShouldThrowExceptionIfIdIsNull() {
         ResponseStatusException exception = assertThrows(ResponseStatusException.class,
@@ -82,13 +85,15 @@ void findByIdShouldThrowExceptionIfIdIsNull() {
         assertErrorKey("ATTRIBUTE_NULL", exception);
     }
 
+    @DisplayName("findAll() should return all entities as list")
     @Test
     void findAllShouldReturnAllEntitiesAsList() throws ResponseStatusException {
         List<User> userList = persistenceBase.findAll();
 
         assertThat(userList.size()).isGreaterThanOrEqualTo(7);
     }
 
+    @DisplayName("save() should add new entity")
     @Test
     void saveShouldAddNewEntity() throws ResponseStatusException {
         createdUser = persistenceBase.save(USER_WITHOUT_CONSTRAINTS);
@@ -97,6 +102,7 @@ void saveShouldAddNewEntity() throws ResponseStatusException {
         assertUser("Hans", "Muster", "[email protected]", createdUser);
     }
 
+    @DisplayName("save() existing entity with different data should update existing entity")
     @Test
     void saveExistingEntityWithDifferentDataShouldUpdateExistingEntity() throws ResponseStatusException {
         // arrange
@@ -114,6 +120,7 @@ void saveExistingEntityWithDifferentDataShouldUpdateExistingEntity() throws Resp
         assertEquals("Pekka", foundUser.getFirstname());
     }
 
+    @DisplayName("deleteById() should delete entity")
     @Test
     void deleteByIdShouldDeleteEntity() throws ResponseStatusException {
         // arrange