Fix more test for Podman

- tests/unit/test_editable.py::test_editable
- tests/unit/test_editable.py::test_editable_by_host

Author: rgaiacs

tests/unit/test_editable.py

@@ -11,14 +11,22 @@
 def test_editable(run_repo2docker):
     """Run a local repository in edit mode. Verify a new file has been
     created afterwards"""
+    argv = []
+
+    # https://github.com/jupyterhub/repo2docker/issues/1483
+    docker_host = os.environ.get("DOCKER_HOST")
+    if docker_host and docker_host.find("podman") != -1:
+        argv.extend(["--user-id", "0"])
+
     newfile = os.path.join(DIR, "newfile")
     try:
         # If the file didn't get properly cleaned up last time, we
         # need to do that now
         os.remove(newfile)
     except FileNotFoundError:
         pass
-    argv = ["--editable", DIR, "/usr/local/bin/change.sh"]
+    print(f"DIR {DIR}")
+    argv.extend(["--editable", DIR, "/usr/local/bin/change.sh"])
     run_repo2docker(argv)
     try:
         with open(newfile) as fp:
@@ -31,8 +39,14 @@ def test_editable(run_repo2docker):
 def test_editable_by_host():
     """Test whether a new file created by the host environment, is
     detected in the container"""
+    argv = ["--editable", DIR]
+
+    # https://github.com/jupyterhub/repo2docker/issues/1483
+    docker_host = os.environ.get("DOCKER_HOST")
+    if docker_host and docker_host.find("podman") != -1:
+        argv.extend(["--user-id", "0"])
 
-    app = make_r2d(["--editable", DIR])
+    app = make_r2d(argv)
     app.initialize()
     app.build()
     container = app.start_container()