diff --git a/django_iris/runner.py b/django_iris/runner.py
index 251ec7e..d3dc08f 100644
--- a/django_iris/runner.py
+++ b/django_iris/runner.py
@@ -5,6 +5,9 @@
 
 class IRISDiscoverRunner(DiscoverRunner):
     _iris_container: IRISContainer
+    _iris_user: str
+    _iris_password: str
+    _iris_namespace: str
 
     def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)
@@ -12,15 +15,20 @@ def __init__(self, *args, **kwargs):
         iris_image = getattr(
             settings, "IRIS_IMAGE", "intersystemsdc/iris-community:latest"
         )
-        iris_user = getattr(settings, "IRIS_USERNAME", "_SYSTEM")
-        iris_password = getattr(settings, "IRIS_PASSWORD", "SYS")
+        iris_key = getattr(settings, "IRIS_KEY", None)
+        self._iris_user = getattr(settings, "IRIS_USERNAME", "DJANGO")
+        self._iris_password = getattr(settings, "IRIS_PASSWORD", "django")
         iris_name = getattr(settings, "IRIS_NAMESPACE", "USER")
+        extra = {}
+        if iris_key:
+            extra["license_key"] = iris_key
 
         self._iris_container = IRISContainer(
             image=iris_image,
-            username=iris_user,
-            password=iris_password,
+            username=self._iris_user,
+            password=self._iris_password,
             namespace=iris_name,
+            **extra
         )
 
     def _setup_container(self):
@@ -35,6 +43,8 @@ def _setup_container(self):
             settings.DATABASES[database]["PORT"] = int(
                 self._iris_container.get_exposed_port(1972)
             )
+            settings.DATABASES[database]["USER"] = self._iris_user
+            settings.DATABASES[database]["PASSWORD"] = self._iris_password
 
     def _teardown_container(self):
         self._iris_container.stop()
diff --git a/requirements-dev.txt b/requirements-dev.txt
index 7722b8e..679b5f8 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -3,3 +3,5 @@ flake8
 pytest
 black
 twine
+testcontainers_iris
+requests<2.32.0
\ No newline at end of file
diff --git a/run_tests.sh b/run_tests.sh
index 8f94a4f..e14e4e0 100755
--- a/run_tests.sh
+++ b/run_tests.sh
@@ -1,5 +1,10 @@
 #!/bin/bash
 
-export PYTHONPATH=$(pwd):../intersystems-irispython:.
+# python -m venv .venv
+# source .venv/bin/activate
+# pip install ../django -r requirements.txt -r requirements-dev.txt -e . 
+
+export PYTHONPATH=.:$(pwd)
+# export PYTHONPATH=.:$(pwd):../intersystems-irispython
 (cd ../django && python tests/runtests.py --settings=iris_settings --noinput "$@")