Update tests

Author: pengrad

library/src/test/java/com/pengrad/telegrambot/TelegramBotTest.java

@@ -362,6 +362,7 @@ public void getChatAdministrators() {
 
     @Test
     public void getChatMember() {
+        restrictChatMember();
         ChatMember chatMember = bot.execute(new GetChatMember(groupId, memberBot)).chatMember();
         ChatMemberTest.check(chatMember);
         assertEquals(ChatMember.Status.restricted, chatMember.status());
@@ -971,15 +972,13 @@ public void setChatStickerSet() {
         BaseResponse response = bot.execute(new SetChatStickerSet(groupId, "PengradTest"));
         assertFalse(response.isOk());
         assertEquals(400, response.errorCode());
-        assertEquals("Bad Request: can't set channel sticker set", response.description());
     }
 
     @Test
     public void deleteChatStickerSet() {
         BaseResponse response = bot.execute(new DeleteChatStickerSet(groupId));
         assertFalse(response.isOk());
         assertEquals(400, response.errorCode());
-        assertEquals("Bad Request: can't set channel sticker set", response.description());
     }
 
     @Test