Make "want read" button work

internal/apitest/put_userbook_read_test.go

@@ -0,0 +1,25 @@
+package apitest
+
+import (
+	"net/http"
+	"testing"
+
+	"git.artlef.fr/PersonalLibraryManager/internal/testutils"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestPutReadUserBooks_NewReadOk(t *testing.T) {
+	payload :=
+		`{
+			"read": true
+		}`
+	bookId := "21"
+	testPutReadUserBooks(t, payload, bookId, http.StatusOK)
+	book := testGetBook(t, bookId, http.StatusOK)
+	assert.Equal(t, true, book.Read)
+	assert.Equal(t, false, book.WantRead)
+}
+
+func testPutReadUserBooks(t *testing.T, payload string, bookId string, expectedCode int) {
+	testutils.TestBookPutCallWithDemoPayload(t, payload, bookId, expectedCode, "/book/"+bookId+"/read")
+}