Failing db_test: "FAIL: By default, config files are generated with the [general] parameter"

[favalex]

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FAIL: By default, config files are generated with the [general] parameter
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Traceback (most recent call last):
  File "/home/gabriele/work/openquake-server/db_tests/config_writer_unittest.py", line 255, in test_classical_config_file_generation_no_serialize_maps_to_db
    expected_config, path_to_new_cfg_file, self.oqjob.id)
  File "/home/gabriele/work/openquake-server/db_tests/config_writer_unittest.py", line 291, in _test_config_files_are_the_same
    self.assertEqual(exp_items[ctr], actual_items[ctr])
AssertionError: Tuples differ: ('quantile_levels', '0.25 0.50... != ('quantile_levels', '')

First differing element 1:
0.25 0.50 0.75


- ('quantile_levels', '0.25 0.50 0.75')
?                      --------------

+ ('quantile_levels', '')