Added Long conversion to some test units

Fixed the long issue on Test units too.

src/test/java/de/vivistra/telegrambot/model/TestUser.java

@@ -8,14 +8,14 @@ public class TestUser {
 
 	@Test
 	public void testConstructorAndGetter() {
-		User peter = new User(1, "Peter", "Mueller", "PeMu");
+		User peter = new User(1L, "Peter", "Mueller", "PeMu");
 
 		assertTrue(1 == peter.getId());
 		assertEquals("Peter", peter.getFirstName());
 		assertEquals("Mueller", peter.getLastName());
 		assertEquals("PeMu", peter.getUserName());
 
-		User bot = new User(-1, "Bot", null, null);
+		User bot = new User(-1L, "Bot", null, null);
 
 		assertTrue(-1 == bot.getId());
 		assertEquals("Bot", bot.getFirstName());
@@ -25,7 +25,7 @@ public void testConstructorAndGetter() {
 
 	@Test(expected = IllegalArgumentException.class)
 	public void testConstructorWithIllegalFirstName() {
-		new User(0, null, null, null);
+		new User(0L, null, null, null);
 	}
 
 	@Test(expected = IllegalArgumentException.class)
@@ -35,11 +35,11 @@ public void testConstructorWithIllegalId() {
 
 	@Test
 	public void testToString() {
-		User peter = new User(1, "Peter", "Mueller", "PeMu");
+		User peter = new User(1L, "Peter", "Mueller", "PeMu");
 
 		assertEquals("Peter Mueller [PeMu@1]", peter.toString());
 
-		User bot = new User(-1, "Bot", null, null);
+		User bot = new User(-1L, "Bot", null, null);
 
 		assertEquals("Bot [-1]", bot.toString());
 	}

src/test/java/de/vivistra/telegrambot/model/message/TestMessageFactory.java

@@ -47,7 +47,7 @@ public void testFromJSON() {
 
 		assertNull(message.getGroupChat());
 
-		User sender = new User(7872355, "Marcel", "", "Marcn");
+		User sender = new User(7872355L, "Marcel", "", "Marcn");
 
 		assertEquals(sender, message.getSender());
 	}