tests: minor fix in "external" module

gsmolk · gsmolk · commit cbfb496d5beb · 2019-04-29T15:59:19.000+03:00
diff --git a/tests/external.py b/tests/external.py
@@ -52,10 +52,9 @@ def test_external_simple(self):
                 "\n Output: {0} \n CMD: {1}".format(
                     repr(self.output), self.cmd))
         except ProbackupException as e:
-            self.assertIn(
-                'ERROR:  --external-dirs option "{0}": '
-                'directory or symbolic link expected\n'.format(file_path),
-                e.message,
+            self.assertTrue(
+                'ERROR:  --external-dirs option' in e.message and
+                'directory or symbolic link expected' in e.message,
                 '\n Unexpected Error Message: {0}\n CMD: {1}'.format(
                     repr(e.message), self.cmd))
 
