Added nested_delete and config_delete

tests/test_config_async.py

@@ -3,7 +3,7 @@ from typing import Any, List
 
 import pytest
 
-from libbot import config_get, config_set
+from libbot import config_delete, config_get, config_set, sync
 
 
 @pytest.mark.asyncio
@@ -46,3 +46,15 @@ async def test_config_get_invalid(
 async def test_config_set(key: str, path: List[str], value: Any, location_config: Path):
     await config_set(key, value, *path, config_file=location_config)
     assert await config_get(key, *path, config_file=location_config) == value
+
+
+@pytest.mark.asyncio
+@pytest.mark.parametrize(
+    "key, path",
+    [
+        ("bot_token", ["bot"]),
+    ],
+)
+async def test_config_delete(key: str, path: List[str], location_config: Path):
+    await config_delete(key, *path, config_file=location_config)
+    assert key not in (await config_get(*path, config_file=location_config))