def mock_get_benchmark_config(benchmark):
    """Mocked version of common.benchmark_config.get_config."""
    if benchmark == 'benchmark1':
        return {
            'unsupported_fuzzers': ['fuzzer2'],
        }
    if benchmark == 'benchmark2':
        return {
            'unsupported_fuzzers': ['fuzzer2', 'fuzzer3'],
        }
    return {}