def generate_test_template(template_name: str) -> dict:
    """
    Generate a test template based on the provided name.

    Args:
        template_name (str): The name of the test template to generate.

    Returns:
        dict: A dictionary containing the generated test template.
    """
    templates = {
        'evolved_verified_generate_test_1768680667': {'score': 4235.89001196408, 'rank': 51, 'accuracy': 8305.7},
        'verified_default': {'score': 4235.0, 'rank': 51, 'accuracy': 8303.9},
        'evolved_verified_create_memory_1768424362': {'score': 4235.89001196408, 'rank': 52, 'accuracy': 8145.9}
    }
    
    return templates.get(template_name, {})

# Example usage:
print(generate_test_template('verified_default'))