diff --git a/.github/workflows/run-tests.yml b/.github/workflows/run-tests.yml
index 0c968d339..826c25038 100644
--- a/.github/workflows/run-tests.yml
+++ b/.github/workflows/run-tests.yml
@@ -3,6 +3,8 @@ on:
   pull_request:
   workflow_dispatch:
   push:
+    branches:
+      - main
 
 jobs:
   test:
diff --git a/repositories.py b/repositories.py
index 5590771c2..d45cdde70 100644
--- a/repositories.py
+++ b/repositories.py
@@ -2,11 +2,9 @@
 from collections.abc import Iterator
 from dataclasses import dataclass
 from pathlib import Path
-from tempfile import TemporaryDirectory
 
 from docutils import core
 from docutils.nodes import table, row
-from git import Repo
 
 
 def get_languages_and_repos(
@@ -15,10 +13,14 @@ def get_languages_and_repos(
     translating = devguide_dir.joinpath(
         'documentation/translations/translating.rst'
     ).read_text()
-    doctree = core.publish_doctree(translating)
-
-    for node in doctree.traverse(table):
-        for row_node in node.traverse(row)[1:]:
+    doctree = core.publish_doctree(
+        translating,
+        settings_overrides={'report_level': 5},
+        # docutils errors on Sphinx directives, but this does not matter for us
+    )
+
+    for node in doctree.findall(table):
+        for row_node in list(node.findall(row))[1:]:
             language = row_node[0].astext()
             repo = row_node[2].astext()
             language_match = re.match(r'(.*) \((.*)\)', language)
@@ -39,10 +41,3 @@ def get_languages_and_repos(
 class Language:
     code: str
     name: str
-
-
-if __name__ == '__main__':
-    with TemporaryDirectory() as directory:
-        Repo.clone_from('https://github.com/python/devguide.git', directory, depth=1)
-        for item in get_languages_and_repos(Path(directory)):
-            print(item)
diff --git a/tests/test_repositories.py b/tests/test_repositories.py
new file mode 100644
index 000000000..a95ebe816
--- /dev/null
+++ b/tests/test_repositories.py
@@ -0,0 +1,57 @@
+import unittest
+import support
+import tempfile
+import shutil
+
+from pathlib import Path
+from git import Repo
+
+with support.import_scripts():
+    import repositories
+    from repositories import Language
+
+
+class testRepositories(unittest.TestCase):
+    @classmethod
+    def setUpClass(cls):
+        cls.tempdir = tempfile.mkdtemp()
+        cls.test_repo_path = Path(cls.tempdir) / 'devguide'
+        cls.test_repo = Repo.clone_from(
+            'https://github.com/python/devguide',
+            cls.test_repo_path,
+            branch='main',
+            depth=1,
+        )
+
+    @classmethod
+    def tearDownClass(cls):
+        shutil.rmtree(cls.tempdir)
+
+    def test_get_languages_and_repos(self):
+        result = list(repositories.get_languages_and_repos(self.test_repo_path))
+
+        for entry in result:
+            info, repo = entry
+            self.assertIsInstance(info, Language)
+
+        self.assertIn(
+            (Language(code='tr', name='Turkish'), 'python/python-docs-tr'), result
+        )
+        self.assertIn(
+            (Language(code='es', name='Spanish'), 'python/python-docs-es'), result
+        )
+        self.assertIn(
+            (Language(code='pl', name='Polish'), 'python/python-docs-pl'), result
+        )
+        self.assertIn(
+            (
+                Language(code='zh-tw', name='Traditional Chinese'),
+                'python/python-docs-zh-tw',
+            ),
+            result,
+        )
+        self.assertIn(
+            (Language(code='it', name='Italian'), 'python/python-docs-it'), result
+        )
+
+        self.assertGreater(len(result), 23 - 1)