def METHOD_NAME(self, healthy_example_imu_data):
    """Dummy test to see if the algorithm is generally working on the example data."""
    data = healthy_example_imu_data
    pca_align = PcaAlignment(target_axis="y", pca_plane_axis=("gyr_x", "gyr_y"))
    pca_align = pca_align.align(data=data)
    for sensor in get_multi_sensor_names(data):
        assert len(pca_align.aligned_data_[sensor]) == len(data[sensor])
        assert isinstance(pca_align.aligned_data_[sensor], pd.DataFrame)
        assert isinstance(pca_align.rotation_[sensor], Rotation)
        assert isinstance(pca_align.pca_[sensor], PCA)