diff --git a/osbuild/testutil/__init__.py b/osbuild/testutil/__init__.py
index 00531972..c008ab13 100644
--- a/osbuild/testutil/__init__.py
+++ b/osbuild/testutil/__init__.py
@@ -6,6 +6,7 @@ import os
 import pathlib
 import re
 import shutil
+import subprocess
 import tempfile
 
 
@@ -77,3 +78,20 @@ def mock_command(cmd_name: str, script: str):
             yield
         finally:
             os.environ["PATH"] = original_path
+
+
+def make_container(tmp_path, tag, fake_content, base="scratch"):
+    fake_container_src = tmp_path / "fake-container-src"
+    make_fake_tree(fake_container_src, fake_content)
+    fake_containerfile_path = fake_container_src / "Containerfile"
+    container_file_content = f"""
+    FROM {base}
+    COPY . .
+    """
+    fake_containerfile_path.write_text(container_file_content, encoding="utf8")
+    subprocess.check_call([
+        "podman", "build",
+        "--no-cache",
+        "-f", os.fspath(fake_containerfile_path),
+        "-t", tag,
+    ])
diff --git a/stages/test/test_container_deploy.py b/stages/test/test_container_deploy.py
index b280b002..67cdf42b 100644
--- a/stages/test/test_container_deploy.py
+++ b/stages/test/test_container_deploy.py
@@ -11,28 +11,11 @@ from unittest.mock import call, patch
 import pytest
 
 import osbuild.testutil
-from osbuild.testutil import has_executable, make_fake_tree
+from osbuild.testutil import has_executable, make_container, make_fake_tree
 
 STAGE_NAME = "org.osbuild.container-deploy"
 
 
-def make_container(tmp_path, tag, fake_content, base="scratch"):
-    fake_container_src = tmp_path / "fake-container-src"
-    make_fake_tree(fake_container_src, fake_content)
-    fake_containerfile_path = fake_container_src / "Containerfile"
-    container_file_content = f"""
-    FROM {base}
-    COPY . .
-    """
-    fake_containerfile_path.write_text(container_file_content, encoding="utf8")
-    subprocess.check_call([
-        "podman", "build",
-        "--no-cache",
-        "-f", os.fspath(fake_containerfile_path),
-        "-t", tag,
-    ])
-
-
 @pytest.mark.skipif(os.getuid() != 0, reason="needs root")
 @pytest.mark.skipif(not has_executable("podman"), reason="no podman executable")
 def test_container_deploy_integration(tmp_path, stage_module):