Fixes 6546 - Swap the contents of default.tmpl and empty.tmpl in the test suite

tests/test_additional_paths.py

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@@ skipping 41 matching lines @@
     base_pages = base_root.join('pages')
 
     ap_root = tmpdir_factory.mktemp('ap_site')
     ap_root.join('settings.ini').write(
         base_root.join('settings.ini').read() +
         PATHS_FRAGMENT_TEMPLATE.format(base_root)
     )
 
     pages = ap_root.mkdir('pages')
     for file_name in ['filter.tmpl', 'global.md', 'translate.tmpl']:
-        pages.join(file_name).write('template=default\n\nMAIN_SITE')
+        pages.join(file_name).write('MAIN_SITE')
     pages.join('map.tmpl').write(base_pages.join('sitemap.tmpl').read())
 
     subprocess.check_call(['hg', 'init', ap_root.strpath])
     subprocess.check_call(['hg', '-R', ap_root.strpath,
                            'commit', '-A', '-m', 'foo'])
 
     return ap_root
 
 
 @pytest.fixture(scope='session')
@@ skipping 42 matching lines @@
     three.join('three').write('')
     three.join('settings.ini').write('')
 
     four.join('four').write('')
     four.join('settings.ini').write('[paths]')
 
     source = create_source(one.strpath)
 
     for name in ['one', 'two', 'three', 'four']:
         assert source.has_file(name)