diff --git a/tests/test_main.py b/tests/test_main.py
index 09fa8fc..1e8f53a 100644
--- a/tests/test_main.py
+++ b/tests/test_main.py
@@ -1,16 +1,19 @@
-import base64
-
 from fastapi.testclient import TestClient
 
+from app import session
 from app.main import app
 
 client = TestClient(app)
-_AUTH_HEADERS = {"Authorization": f"Basic {base64.b64encode(b'admin:teste123').decode()}"}
 
 
-def test_raiz_sem_login_pede_credenciais():
+def _cookie_sessao_admin() -> dict:
+    return {session.SESSION_COOKIE_NAME: session.criar_token("admin", "admin", "ADMIN")}
+
+
+def test_raiz_sem_login_redireciona_para_login():
     resposta = client.get("/", follow_redirects=False)
-    assert resposta.status_code == 401
+    assert resposta.status_code == 303
+    assert resposta.headers["location"] == "/login?next=/"
 
 
 def test_docs_desabilitado_retorna_404():
@@ -24,7 +27,7 @@ def test_raiz_redireciona_para_clientes_com_login(monkeypatch):
 
     monkeypatch.setattr(router_clientes.db_clientes, "listar_clientes", lambda busca=None, limite=100, offset=0, ordenar_por="razao", direcao="asc": [])
     monkeypatch.setattr(router_clientes.db_clientes, "contar_clientes", lambda busca=None, ordenar_por="razao": 0)
-    resposta = client.get("/", headers=_AUTH_HEADERS, follow_redirects=False)
+    resposta = client.get("/", cookies=_cookie_sessao_admin(), follow_redirects=False)
     assert resposta.status_code == 307
     assert resposta.headers["location"] == "/clientes"
 
@@ -39,7 +42,7 @@ def test_csrf_middleware_define_cookie_em_qualquer_resposta():
 def test_csrf_bloqueia_post_com_token_que_nao_bate_com_cookie():
     client.cookies.clear()
     resposta = client.post(
-        "/clientes/1/excluir", headers=_AUTH_HEADERS, data={"csrf_token": "token-forjado-sem-cookie"}
+        "/clientes/1/excluir", cookies=_cookie_sessao_admin(), data={"csrf_token": "token-forjado-sem-cookie"}
     )
     assert resposta.status_code == 403
 
@@ -54,7 +57,8 @@ def test_csrf_libera_post_quando_token_bate_com_cookie(monkeypatch):
     token_cookie = client.cookies.get("csrf_token")
     assert token_cookie
 
+    cookies = {**_cookie_sessao_admin(), "csrf_token": token_cookie}
     resposta = client.post(
-        "/clientes/1/excluir", headers=_AUTH_HEADERS, data={"csrf_token": token_cookie}, follow_redirects=False
+        "/clientes/1/excluir", cookies=cookies, data={"csrf_token": token_cookie}, follow_redirects=False
     )
     assert resposta.status_code == 303