diff --git a/client/pyproject.toml b/client/pyproject.toml
index bd940936..4e26967a 100644
--- a/client/pyproject.toml
+++ b/client/pyproject.toml
@@ -27,6 +27,10 @@ dynamic = ["version"]
 
 [project.optional-dependencies]
 cryptg = ["cryptg~=0.4"]
+dev = [
+  "pytest~=7.3",
+  "pytest-asyncio~=0.21",
+]
 
 [project.urls]
 "Homepage" = "https://telethon.dev/"
diff --git a/client/tests/client_test.py b/client/tests/client_test.py
index ea5b9c4a..82ddc4ba 100644
--- a/client/tests/client_test.py
+++ b/client/tests/client_test.py
@@ -1,4 +1,3 @@
-import asyncio
 import os
 import random
 
@@ -8,30 +7,27 @@ from telethon._impl.session.message_box.defs import Session
 from telethon._impl.tl.mtproto import functions, types
 
 
-def test_ping_pong() -> None:
-    async def func() -> None:
-        api_id = os.getenv("TG_ID")
-        api_hash = os.getenv("TG_HASH")
-        assert api_id and api_id.isdigit()
-        assert api_hash
-        client = Client(
-            Config(
-                session=Session(
-                    dcs=[],
-                    user=None,
-                    state=None,
-                ),
-                api_id=int(api_id),
-                api_hash=api_hash,
-            )
+async def test_ping_pong() -> None:
+    api_id = os.getenv("TG_ID")
+    api_hash = os.getenv("TG_HASH")
+    assert api_id and api_id.isdigit()
+    assert api_hash
+    client = Client(
+        Config(
+            session=Session(
+                dcs=[],
+                user=None,
+                state=None,
+            ),
+            api_id=int(api_id),
+            api_hash=api_hash,
         )
-        assert not client.connected
-        await client.connect()
-        assert client.connected
+    )
+    assert not client.connected
+    await client.connect()
+    assert client.connected
 
-        ping_id = random.randrange(-(2**63), 2**63)
-        pong = await client(functions.ping(ping_id=ping_id))
-        assert isinstance(pong, types.Pong)
-        assert pong.ping_id == ping_id
-
-    asyncio.run(func())
+    ping_id = random.randrange(-(2**63), 2**63)
+    pong = await client(functions.ping(ping_id=ping_id))
+    assert isinstance(pong, types.Pong)
+    assert pong.ping_id == ping_id
diff --git a/client/tests/mtsender_test.py b/client/tests/mtsender_test.py
index a666486b..0ece35a8 100644
--- a/client/tests/mtsender_test.py
+++ b/client/tests/mtsender_test.py
@@ -13,42 +13,39 @@ TELEGRAM_DEFAULT_TEST_DC = TELEGRAM_TEST_DC_2
 TEST_TIMEOUT = 10000
 
 
-def test_invoke_encrypted_method(caplog: LogCaptureFixture) -> None:
+async def test_invoke_encrypted_method(caplog: LogCaptureFixture) -> None:
     caplog.set_level(logging.DEBUG)
 
-    async def func() -> None:
-        deadline = asyncio.get_running_loop().time() + TEST_TIMEOUT
+    deadline = asyncio.get_running_loop().time() + TEST_TIMEOUT
 
-        def timeout() -> float:
-            return deadline - asyncio.get_running_loop().time()
+    def timeout() -> float:
+        return deadline - asyncio.get_running_loop().time()
 
-        sender = await asyncio.wait_for(
-            connect(Full(), TELEGRAM_DEFAULT_TEST_DC), timeout()
+    sender = await asyncio.wait_for(
+        connect(Full(), TELEGRAM_DEFAULT_TEST_DC), timeout()
+    )
+
+    rx = sender.enqueue(
+        functions.invoke_with_layer(
+            layer=LAYER,
+            query=functions.init_connection(
+                api_id=1,
+                device_model="Test",
+                system_version="0.1",
+                app_version="0.1",
+                system_lang_code="en",
+                lang_pack="",
+                lang_code="",
+                proxy=None,
+                params=None,
+                query=functions.help.get_nearest_dc(),
+            ),
         )
+    )
 
-        rx = sender.enqueue(
-            functions.invoke_with_layer(
-                layer=LAYER,
-                query=functions.init_connection(
-                    api_id=1,
-                    device_model="Test",
-                    system_version="0.1",
-                    app_version="0.1",
-                    system_lang_code="en",
-                    lang_pack="",
-                    lang_code="",
-                    proxy=None,
-                    params=None,
-                    query=functions.help.get_nearest_dc(),
-                ),
-            )
-        )
-
-        while True:
-            await asyncio.wait_for(sender.step(), timeout=timeout())
-            if rx.done():
-                nearest = abcs.NearestDc.from_bytes(rx.result())
-                assert isinstance(nearest, types.NearestDc)
-                break
-
-    asyncio.run(func())
+    while True:
+        await asyncio.wait_for(sender.step(), timeout=timeout())
+        if rx.done():
+            nearest = abcs.NearestDc.from_bytes(rx.result())
+            assert isinstance(nearest, types.NearestDc)
+            break
diff --git a/generator/pyproject.toml b/generator/pyproject.toml
index 86f88f44..9a8f4ec7 100644
--- a/generator/pyproject.toml
+++ b/generator/pyproject.toml
@@ -21,6 +21,9 @@ classifiers = [
 ]
 dynamic = ["version"]
 
+[project.optional-dependencies]
+dev = ["pytest~=7.3"]
+
 [project.urls]
 "Homepage" = "https://telethon.dev/"
 "Source" = "https://telethon.dev/code/"
diff --git a/pytest.ini b/pytest.ini
new file mode 100644
index 00000000..2f4c80e3
--- /dev/null
+++ b/pytest.ini
@@ -0,0 +1,2 @@
+[pytest]
+asyncio_mode = auto