tests: do not depend on CPython's 'test' package

scripts/container-pre-test.sh

@@ -1,10 +1,9 @@
 #!/bin/bash
 
 source /etc/os-release
-# This repository is required for python3-pytest and python3-test
-# on Centos Stream
+# This repository is required for python3-pytest on Centos Stream
 if [[ $ID == "centos" ]]; then
   dnf config-manager --enable crb
 fi
 
-dnf install -y python3-setuptools python3-pip python3-devel python3-pytest python3-test
+dnf install -y python3-setuptools python3-pip python3-devel python3-pytest

tests/test_compat.py

@@ -10,6 +10,8 @@
 """
 
 import os
+import shutil
+import tempfile
 from iniparse import compat as ConfigParser
 from io import StringIO
 try:
@@ -18,8 +20,6 @@
     import collections as UserDict
 import unittest
 
-from test import support as test_support
-
 
 class SortedDict(UserDict.UserDict):
     def items(self):
@@ -466,9 +466,13 @@ def test_read_returns_file_list(self):
             3. Empty list is returned due to file not existing.
             4. Empty list is returned since no files were passed.
         """
-        file1 = test_support.findfile("cfgparser.1")
-        if not os.path.exists(file1):
-            file1 = test_support.findfile("configdata/cfgparser.1")
+        # Do not depend on the data files of CPython's 'test' package,
+        # which is not installed on many systems.
+        tmpdir = tempfile.mkdtemp()
+        self.addCleanup(shutil.rmtree, tmpdir)
+        file1 = os.path.join(tmpdir, "cfgparser.1")
+        with open(file1, "w") as f:
+            f.write("[Foo Bar]\nfoo=newbar\n")
         # check when we pass a mix of readable and non-readable files:
         cf = self.newconfig()
         parsed_files = cf.read([file1, "nonexistant-file"])