def METHOD_NAME():
    mock_notifier = MockNotifier()
    mock_resources = Resources(mock_notifier)
    ns_image_path = os.path.join('BUILD', 'TARGET_NS', 'app.bin')
    ns_test_path = os.path.join('BUILD', 'TARGET_NS', 'test.bin')
    config_s_image_name = 'target_config.bin'
    default_bin = os.path.join('prebuilt', config_s_image_name)
    test_bin = os.path.join('prebuilt', 'test.bin')
    with pytest.raises(Exception, match='ns_image_path and configured_s_image_path are mandatory'):
        find_secure_image(mock_notifier, mock_resources, None, None, FileType.BIN)
        find_secure_image(mock_notifier, mock_resources, ns_image_path, None, FileType.BIN)
        find_secure_image(mock_notifier, mock_resources, None, config_s_image_name, FileType.BIN)
    with pytest.raises(Exception, match='image_type must be of type BIN or HEX'):
        find_secure_image(mock_notifier, mock_resources, ns_image_path, config_s_image_name, None)
        find_secure_image(mock_notifier, mock_resources, ns_image_path, config_s_image_name, FileType.C_SRC)
    with pytest.raises(Exception, match='No image files found for this target'):
        find_secure_image(mock_notifier, mock_resources, ns_image_path, config_s_image_name, FileType.BIN)
    dummy_bin = os.path.join('path', 'to', 'dummy.bin')
    mock_resources.add_file_ref(FileType.BIN, dummy_bin, dummy_bin)
    with pytest.raises(Exception, match='Required secure image not found'):
        find_secure_image(mock_notifier, mock_resources, ns_image_path, config_s_image_name, FileType.BIN)
    mock_resources.add_file_ref(FileType.BIN, default_bin, default_bin)
    mock_resources.add_file_ref(FileType.BIN, test_bin, test_bin)
    secure_image = find_secure_image(mock_notifier, mock_resources, ns_image_path, config_s_image_name, FileType.BIN)
    assert secure_image == default_bin
    secure_image = find_secure_image(mock_notifier, mock_resources, ns_test_path, config_s_image_name, FileType.BIN)
    assert secure_image == test_bin