Merge pull request #73 from benjeffery/fix-test

Fix test

Author: benjeffery

tests/test_cli.py

@@ -288,11 +288,10 @@ def test_bad_file_format(self):
             with self.assertRaises(TestException):
                 self.run_tszip([str(self.trees_path)])
             mocked_exit.assert_called_once_with(
-                f"Error loading '{self.trees_path}': File not in kastore format. If this"
-                f" file was generated by msprime < 0.6.0 (June 2018) it uses the old"
-                f" HDF5-based format which can no longer be read directly. Please"
-                f" convert to the new kastore format using the ``tskit upgrade``"
-                f" command."
+                f"Error loading '{self.trees_path}': File not in kastore format. Either"
+                f" the file is corrupt or it is not a tskit tree sequence file. It may"
+                f" be a legacy HDF file upgradable with `tskit upgrade` or a compressed"
+                f" tree sequence file that can be decompressed with `tszip`."
             )
 
     def test_compress_stdout_keep(self):