Refactor keyboard layout for improved organization and add admin keyboard tests

- Updated the keyboard layout in `get_reply_keyboard` and `get_reply_keyboard_admin` functions to use `row` for better organization of buttons.
- Added unit tests for the admin keyboard to verify button arrangement and functionality.
- Ensured that each button is placed in its own row for clarity in the user interface.

helper_bot/keyboards/keyboards.py

@@ -18,11 +18,11 @@ def get_reply_keyboard_for_post():
 
 def get_reply_keyboard(BotDB, user_id):
     builder = ReplyKeyboardBuilder()
-    builder.add(types.KeyboardButton(text="📢Предложить свой пост"))
-    builder.add(types.KeyboardButton(text="📩Связаться с админами"))
-    builder.add(types.KeyboardButton(text="👋🏼Сказать пока!"))
+    builder.row(types.KeyboardButton(text="📢Предложить свой пост"))
+    builder.row(types.KeyboardButton(text="📩Связаться с админами"))
+    builder.row(types.KeyboardButton(text="👋🏼Сказать пока!"))
     if not BotDB.get_info_about_stickers(user_id=user_id):
-        builder.add(types.KeyboardButton(text="🤪Хочу стикеры"))
+        builder.row(types.KeyboardButton(text="🤪Хочу стикеры"))
     markup = builder.as_markup(resize_keyboard=True, one_time_keyboard=True)
     return markup
 
@@ -36,12 +36,15 @@ def get_reply_keyboard_leave_chat():
 
 def get_reply_keyboard_admin():
     builder = ReplyKeyboardBuilder()
-    builder.add(types.KeyboardButton(text="Бан (Список)"))
-    builder.add(types.KeyboardButton(text="Бан по нику"))
-    builder.add(types.KeyboardButton(text="Бан по ID"))
-    builder.row()
-    builder.add(types.KeyboardButton(text="Разбан (список)"))
-    builder.add(types.KeyboardButton(text="Вернуться в бота"))
+    builder.row(
+        types.KeyboardButton(text="Бан (Список)"),
+        types.KeyboardButton(text="Бан по нику"),
+        types.KeyboardButton(text="Бан по ID")
+    )
+    builder.row(
+        types.KeyboardButton(text="Разбан (список)"),
+        types.KeyboardButton(text="Вернуться в бота")
+    )
     markup = builder.as_markup(resize_keyboard=True, one_time_keyboard=True)
     return markup