human
Complete the below
@with_setup(prepare_stdout, registry.clear)
def test_xunit_output_with_different_filename():

    ''''Test xunit output with different filename'
    '''
assistant
#Here is the Python program you requested.
    called = []
    def assert_correct_xml(filename, content):
        called.append(True)
        assert_xsd_valid(filename, content)
        assert_equals(filename, 'custom_filename.xml')
    old = xunit_output.wrt_output
    xunit_output.wrt_output = assert_correct_xml
    runner = Runner(feature_name('error_traceback'), enable_xunit=True, xunit_filename='custom_filename.xml')
    runner.run()
    assert_equals(1, len(called), 'Function    not    called')
    xunit_output.wrt_output = old