Update testcontainers version

pyproject.toml

@@ -49,7 +49,7 @@ dev = [
   "pytest-xdist",
   # testcontainers 4.x have issues with Kafka on arm
   # https://github.com/testcontainers/testcontainers-python/issues/450
-  "testcontainers<4.0",
+  "testcontainers~=4.4.0",
   "testcontainers-minio",
   "testcontainers-postgres",
   "testcontainers-kafka",

tests/test_test_postgres.py

@@ -1,5 +1,4 @@
 import logging
-import os
 
 import psycopg2
 import pytest
@@ -23,11 +22,11 @@ def remove_container():
         postgres.stop()
 
     request.addfinalizer(remove_container)
-    os.environ["DATACONTRACT_POSTGRES_USERNAME"] = postgres.POSTGRES_USER
-    os.environ["DATACONTRACT_POSTGRES_PASSWORD"] = postgres.POSTGRES_PASSWORD
 
 
-def test_test_postgres(postgres_container):
+def test_test_postgres(postgres_container, monkeypatch):
+    monkeypatch.setenv("DATACONTRACT_POSTGRES_USERNAME", postgres.username)
+    monkeypatch.setenv("DATACONTRACT_POSTGRES_PASSWORD", postgres.password)
     _init_sql()
 
     data_contract_str = _setup_datacontract()
@@ -50,9 +49,9 @@ def _setup_datacontract():
 
 def _init_sql():
     connection = psycopg2.connect(
-        database=postgres.POSTGRES_DB,
-        user=postgres.POSTGRES_USER,
-        password=postgres.POSTGRES_PASSWORD,
+        database=postgres.dbname,
+        user=postgres.username,
+        password=postgres.password,
         host=postgres.get_container_host_ip(),
         port=postgres.get_exposed_port(5432),
     )