def test_image_export_reference(exporters, state, bpy_image_default, gltf_image_default):
    state['settings']['images_data_storage'] = 'REFERENCE'
    gltf_image_default['uri'] = '../filepath.png'
    output = exporters.ImageExporter.export(state, bpy_image_default)
    assert output == gltf_image_default