diff --git a/tests/databases/edgy/test_middleware_data.py b/tests/databases/edgy/test_middleware_data.py
index cd01463f..adf71297 100644
--- a/tests/databases/edgy/test_middleware_data.py
+++ b/tests/databases/edgy/test_middleware_data.py
@@ -7,7 +7,7 @@
 import pytest
 from anyio import from_thread, sleep, to_thread
 from edgy import ObjectNotFound
-from httpx import AsyncClient
+from httpx import ASGITransport, AsyncClient
 from lilya.middleware import DefineMiddleware as LilyaMiddleware
 from pydantic import BaseModel
 
@@ -183,7 +183,7 @@ def app():
 
 @pytest.fixture()
 async def async_client(app) -> AsyncGenerator:
-    async with AsyncClient(app=app, base_url="http://test") as ac:
+    async with AsyncClient(transport=ASGITransport(app=app), base_url="http://test") as ac:
         await to_thread.run_sync(blocking_function)
         yield ac
 
diff --git a/tests/databases/edgy/test_middleware_payload.py b/tests/databases/edgy/test_middleware_payload.py
index ca0302d1..2be5240e 100644
--- a/tests/databases/edgy/test_middleware_payload.py
+++ b/tests/databases/edgy/test_middleware_payload.py
@@ -7,7 +7,7 @@
 import pytest
 from anyio import from_thread, sleep, to_thread
 from edgy import ObjectNotFound
-from httpx import AsyncClient
+from httpx import ASGITransport, AsyncClient
 from lilya.middleware import DefineMiddleware as LilyaMiddleware
 from pydantic import BaseModel
 
@@ -183,7 +183,7 @@ def app():
 
 @pytest.fixture()
 async def async_client(app) -> AsyncGenerator:
-    async with AsyncClient(app=app, base_url="http://test") as ac:
+    async with AsyncClient(transport=ASGITransport(app=app), base_url="http://test") as ac:
         await to_thread.run_sync(blocking_function)
         yield ac
 
diff --git a/tests/databases/edgy/test_serialization.py b/tests/databases/edgy/test_serialization.py
index 741bc477..83db088e 100644
--- a/tests/databases/edgy/test_serialization.py
+++ b/tests/databases/edgy/test_serialization.py
@@ -5,7 +5,7 @@
 
 import edgy
 import pytest
-from httpx import AsyncClient
+from httpx import ASGITransport, AsyncClient
 
 from esmerald import Esmerald, Gateway, post
 from esmerald.conf import settings
@@ -53,7 +53,7 @@ def app() -> Esmerald:
 
 @pytest.fixture()
 async def async_client(app) -> AsyncGenerator:
-    async with AsyncClient(app=app, base_url="http://test") as ac:
+    async with AsyncClient(transport=ASGITransport(app=app), base_url="http://test") as ac:
         yield ac
 
 
diff --git a/tests/databases/mongoz/test_middleware_data.py b/tests/databases/mongoz/test_middleware_data.py
index 6545d515..791301af 100644
--- a/tests/databases/mongoz/test_middleware_data.py
+++ b/tests/databases/mongoz/test_middleware_data.py
@@ -6,7 +6,7 @@
 
 import pytest
 from anyio import from_thread, sleep, to_thread
-from httpx import AsyncClient
+from httpx import ASGITransport, AsyncClient
 from lilya.middleware import DefineMiddleware as LilyaMiddleware
 from mongoz import DocumentNotFound
 from pydantic import BaseModel
@@ -173,7 +173,7 @@ def app():
 
 @pytest.fixture()
 async def async_client(app) -> AsyncGenerator:
-    async with AsyncClient(app=app, base_url="http://test") as ac:
+    async with AsyncClient(transport=ASGITransport(app=app), base_url="http://test") as ac:
         await to_thread.run_sync(blocking_function)
         yield ac
 
diff --git a/tests/databases/mongoz/test_middleware_payload_on_gateway.py b/tests/databases/mongoz/test_middleware_payload_on_gateway.py
index 900b3a53..b2566d94 100644
--- a/tests/databases/mongoz/test_middleware_payload_on_gateway.py
+++ b/tests/databases/mongoz/test_middleware_payload_on_gateway.py
@@ -6,7 +6,7 @@
 
 import pytest
 from anyio import from_thread, sleep, to_thread
-from httpx import AsyncClient
+from httpx import ASGITransport, AsyncClient
 from lilya.middleware import DefineMiddleware as LilyaMiddleware
 from mongoz import DocumentNotFound
 from pydantic import BaseModel
@@ -177,7 +177,7 @@ def app():
 
 @pytest.fixture()
 async def async_client(app) -> AsyncGenerator:
-    async with AsyncClient(app=app, base_url="http://test") as ac:
+    async with AsyncClient(transport=ASGITransport(app=app), base_url="http://test") as ac:
         await to_thread.run_sync(blocking_function)
         yield ac
 
diff --git a/tests/databases/mongoz/test_middleware_payload_on_handler.py b/tests/databases/mongoz/test_middleware_payload_on_handler.py
index 4eabf706..8ba5e514 100644
--- a/tests/databases/mongoz/test_middleware_payload_on_handler.py
+++ b/tests/databases/mongoz/test_middleware_payload_on_handler.py
@@ -6,7 +6,7 @@
 
 import pytest
 from anyio import from_thread, sleep, to_thread
-from httpx import AsyncClient
+from httpx import ASGITransport, AsyncClient
 from lilya.middleware import DefineMiddleware as LilyaMiddleware
 from mongoz import DocumentNotFound
 from pydantic import BaseModel
@@ -176,7 +176,7 @@ def app():
 
 @pytest.fixture()
 async def async_client(app) -> AsyncGenerator:
-    async with AsyncClient(app=app, base_url="http://test") as ac:
+    async with AsyncClient(transport=ASGITransport(app=app), base_url="http://test") as ac:
         await to_thread.run_sync(blocking_function)
         yield ac
 
diff --git a/tests/databases/saffier/test_middleware_data.py b/tests/databases/saffier/test_middleware_data.py
index 614d420c..81da002c 100644
--- a/tests/databases/saffier/test_middleware_data.py
+++ b/tests/databases/saffier/test_middleware_data.py
@@ -6,7 +6,7 @@
 
 import pytest
 from anyio import from_thread, sleep, to_thread
-from httpx import AsyncClient
+from httpx import ASGITransport, AsyncClient
 from lilya.middleware import DefineMiddleware as LilyaMiddleware
 from pydantic import BaseModel
 from saffier.exceptions import DoesNotFound
@@ -190,7 +190,7 @@ def app():
 
 @pytest.fixture()
 async def async_client(app) -> AsyncGenerator:
-    async with AsyncClient(app=app, base_url="http://test") as ac:
+    async with AsyncClient(transport=ASGITransport(app=app), base_url="http://test") as ac:
         await to_thread.run_sync(blocking_function)
         yield ac
 
diff --git a/tests/databases/saffier/test_middleware_payload.py b/tests/databases/saffier/test_middleware_payload.py
index 0cde837f..17acd97f 100644
--- a/tests/databases/saffier/test_middleware_payload.py
+++ b/tests/databases/saffier/test_middleware_payload.py
@@ -6,7 +6,7 @@
 
 import pytest
 from anyio import from_thread, sleep, to_thread
-from httpx import AsyncClient
+from httpx import ASGITransport, AsyncClient
 from lilya.middleware import DefineMiddleware as LilyaMiddleware
 from pydantic import BaseModel
 from saffier.exceptions import DoesNotFound
@@ -190,7 +190,7 @@ def app():
 
 @pytest.fixture()
 async def async_client(app) -> AsyncGenerator:
-    async with AsyncClient(app=app, base_url="http://test") as ac:
+    async with AsyncClient(transport=ASGITransport(app=app), base_url="http://test") as ac:
         await to_thread.run_sync(blocking_function)
         yield ac
 
diff --git a/tests/dependencies/test_simple_case_injected.py b/tests/dependencies/test_simple_case_injected.py
index f95a2651..d5e941f7 100644
--- a/tests/dependencies/test_simple_case_injected.py
+++ b/tests/dependencies/test_simple_case_injected.py
@@ -2,7 +2,7 @@
 
 import edgy
 import pytest
-from httpx import AsyncClient
+from httpx import ASGITransport, AsyncClient
 from pydantic import BaseModel
 
 from esmerald import Esmerald, post
@@ -72,7 +72,7 @@ def app():
 
 @pytest.fixture()
 async def async_client(app) -> AsyncGenerator:
-    async with AsyncClient(app=app, base_url="http://test") as ac:
+    async with AsyncClient(transport=ASGITransport(app=app), base_url="http://test") as ac:
         yield ac
 
 
diff --git a/tests/dependencies/test_simple_case_injected_no_construct.py b/tests/dependencies/test_simple_case_injected_no_construct.py
index 8e6fa15b..9b77366d 100644
--- a/tests/dependencies/test_simple_case_injected_no_construct.py
+++ b/tests/dependencies/test_simple_case_injected_no_construct.py
@@ -2,7 +2,7 @@
 
 import edgy
 import pytest
-from httpx import AsyncClient
+from httpx import ASGITransport, AsyncClient
 from pydantic import BaseModel
 
 from esmerald import Esmerald, post
@@ -71,7 +71,7 @@ def app():
 
 @pytest.fixture()
 async def async_client(app) -> AsyncGenerator:
-    async with AsyncClient(app=app, base_url="http://test") as ac:
+    async with AsyncClient(transport=ASGITransport(app=app), base_url="http://test") as ac:
         yield ac
 
 
diff --git a/tests/requests/test_base_http_lilya.py b/tests/requests/test_base_http_lilya.py
index 84cf6bb8..a4652391 100644
--- a/tests/requests/test_base_http_lilya.py
+++ b/tests/requests/test_base_http_lilya.py
@@ -99,7 +99,7 @@ async def app(scope: Any, receive: "Receive", send: "Send") -> None:
     assert response.json() == {"body": ""}
 
     response = client.post("/", json={"a": "123"})
-    assert response.json() == {"body": '{"a": "123"}'}
+    assert response.json() == {"body": '{"a":"123"}'}
 
     response = client.post("/", data="abc")
     assert response.json() == {"body": "abc"}
@@ -124,7 +124,7 @@ async def app(scope: Any, receive: "Receive", send: "Send") -> None:
     assert response.json() == {"body": ""}
 
     response = client.post("/", json={"a": "123"})
-    assert response.json() == {"body": '{"a": "123"}'}
+    assert response.json() == {"body": '{"a":"123"}'}
 
     response = client.post("/", data="abc")
     assert response.json() == {"body": "abc"}