Issue 6920 - Only parse metadata from the top of the file

tests/test_rpy.py

 # This file is part of Adblock Plus <https://adblockplus.org/>,
 # Copyright (C) 2006-present eyeo GmbH
 #
 # Adblock Plus is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License version 3 as
 # published by the Free Software Foundation.
 #
 # Adblock Plus is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
@@ skipping 15 matching lines @@
 _SAMPLE_TUPLE = namedtuple('tuple', 'foo,bar')
 
 _TEST_EXAMPLES = {
     'header': {
         'in': b'[Adblock Plus 2.0]',
         'out': {
             b'type': b'Header',
             b'version': b'Adblock Plus 2.0',
         },
     },
-    'metadata': {
-        'in': b'! Title: Example list',
-        'out': {
-            b'type': b'Metadata',
-            b'key': b'Title',
-            b'value': b'Example list',
-        },
-    },
     'comment': {
         'in': b'! Comment',
         'out': {
             b'type': b'Comment',
             b'text': b'Comment',
         },
     },
     'empty': {
         'in': b'',
         'out': {
@@ skipping 85 matching lines @@
 
 @pytest.mark.parametrize('line_type', list(_TEST_EXAMPLES.keys()))
 def test_line2dict_format(line_type):
     """Test that the API result has the appropriate format.
 
     Checks for both keys and datatypes.
     """
     data = line2dict(_TEST_EXAMPLES[line_type]['in'])
 
     assert data == _TEST_EXAMPLES[line_type]['out']