Make two versions of a test to work around a difference in Python 3.10

tests/openlp_core/common/test_applocation.py

@@ -22,9 +22,12 @@
 Functional tests to test the AppLocation class and related methods.
 """
 import os
+import sys
 from pathlib import Path
 from unittest.mock import patch
 
+import pytest
+
 from openlp.core.common import get_frozen_path
 from openlp.core.common.applocation import AppLocation
 
@@ -141,11 +144,35 @@ def test_get_directory_for_app_dir(mocked_get_frozen_path):
     assert directory == Path.cwd() / Path('app', 'dir'), 'Directory should be "app/dir"'
 
 
+@pytest.mark.skipif(sys.version_info < (3, 10), reason="Python 3.10 version of this test")
 @patch('openlp.core.common.applocation.get_frozen_path')
 @patch('openlp.core.common.applocation.os.path.abspath')
 @patch('openlp.core.common.applocation.os.path.split')
 @patch('openlp.core.common.applocation.sys')
-def test_get_directory_for_plugins_dir(mocked_sys, mocked_split, mocked_abspath, mocked_get_frozen_path):
+def test_get_directory_for_plugins_dir_py310(mocked_sys, mocked_split, mocked_abspath, mocked_get_frozen_path):
+    """
+    Test the AppLocation.get_directory() method for AppLocation.PluginsDir
+    """
+    # GIVEN: _get_frozen_path, abspath, split and sys are mocked out
+    mocked_abspath.return_value = os.path.join('dir', 'plugins')
+    mocked_split.return_value = ['openlp']
+    mocked_get_frozen_path.return_value = Path('dir')
+    mocked_sys.frozen = 1
+    mocked_sys.argv = ['openlp']
+
+    # WHEN: We call AppLocation.get_directory
+    directory = AppLocation.get_directory(AppLocation.PluginsDir)
+
+    # THEN: The correct directory should be returned
+    assert directory == Path('dir', 'plugins'), 'Directory should be "dir/plugins"'
+
+
+@pytest.mark.skipif(sys.version_info >= (3, 10), reason="Python 3.9 version of this test")
+@patch('openlp.core.common.applocation.get_frozen_path')
+@patch('openlp.core.common.applocation.os.path.abspath')
+@patch('openlp.core.common.applocation.os.path.split')
+@patch('openlp.core.common.applocation.sys')
+def test_get_directory_for_plugins_dir_py39(mocked_sys, mocked_split, mocked_abspath, mocked_get_frozen_path):
     """
     Test the AppLocation.get_directory() method for AppLocation.PluginsDir
     """