Fix shtab unit tests

Author: jimporter

test/integration/test_command_line.py

@@ -185,12 +185,12 @@ def test_in_other_dir(self):
 class TestGenerateCompletion(SubprocessTestCase):
     def test_completion_bfg9000(self):
         output = self.assertPopen(['bfg9000', 'generate-completion', '-sbash'])
-        self.assertRegex(output, r'(?m)^# AUTOMATICALLY GENERATED by `shtab`')
+        self.assertRegex(output, r'(?m)^# AUTOMATICALLY GENERATED by .*shtab')
 
     def test_completion_9k(self):
         output = self.assertPopen(['bfg9000', 'generate-completion', '-p9k',
                                    '-sbash'])
-        self.assertRegex(output, r'(?m)^# AUTOMATICALLY GENERATED by `shtab`')
+        self.assertRegex(output, r'(?m)^# AUTOMATICALLY GENERATED by .*shtab')
 
     def test_completion_extra_args(self):
         output = self.assertPopen(['bfg9000', 'generate-completion', '--foo'],