test: update app test using room builder with static method

Signed-off-by: Otavio Santana <[email protected]>

Author: otaviojava

src/test/java/org/soujava/demos/mongodb/document/AppTest.java

@@ -29,7 +29,7 @@ class AppTest {
 
     @Test
     void shouldTest() {
-        Room room = new RoomBuilder()
+        Room room = Room.builder()
                 .id("room-1")
                 .roomNumber(101)
                 .type(RoomType.SUITE)