Use dto from code for unit tests

internal/apitest/get_read_user_book_test.go

@@ -4,6 +4,7 @@ import (
 	"net/url"
 	"testing"
 
+	"git.artlef.fr/PersonalLibraryManager/internal/dto"
 	"git.artlef.fr/PersonalLibraryManager/internal/testutils"
 	"github.com/gin-gonic/gin"
 	"github.com/stretchr/testify/assert"
@@ -59,23 +60,24 @@ func TestGetReadBooksHandler_CheckOneBook(t *testing.T) {
 
 	token := testutils.ConnectDemo2User(router)
 	result := testGetReadBooksHandler(t, router, token, 200, "100", "")
-	var book bookUserGetBook
+	var book dto.BookUserGetBook
 	for _, b := range result.Books {
 		if b.Title == "De sang-froid" {
 			book = b
 		}
 	}
 	assert.Equal(t,
-		bookUserGetBook{
-			BookId: 18,
-			Title:  "De sang-froid",
-			Author: "Truman Capote",
-			Rating: 6,
-			Read:   true,
+		dto.BookUserGetBook{
+			ID:        18,
+			Title:     "De sang-froid",
+			Author:    "Truman Capote",
+			Rating:    6,
+			Read:      true,
+			CoverPath: "/bookcover/desangfroid.jpg",
 		}, book)
 }
 
-func testGetReadBooksHandler(t *testing.T, router *gin.Engine, userToken string, expectedCode int, limit string, offset string) bookUserGet {
+func testGetReadBooksHandler(t *testing.T, router *gin.Engine, userToken string, expectedCode int, limit string, offset string) dto.BookUserGet {
 	u, err := url.Parse("/mybooks/read")
 	if err != nil {
 		t.Error(err)