Skip test_tools.test_i18n when pygettext.py is missing

Lib/test/test_tools/test_i18n.py

@@ -4,9 +4,13 @@ import os
 import unittest
 
 from test.support.script_helper import assert_python_ok
-from test.test_tools import toolsdir
+from test.test_tools import skip_if_missing, toolsdir
 from test.support import temp_cwd
 
+
+skip_if_missing()
+
+
 class Test_pygettext(unittest.TestCase):
     """Tests for the pygettext.py tool"""