Speed up backward_facing_step test
Speed up backward_facing_step test

vikramvgarg/grins,nicholasmalaya/grins,cahaynes/grins,vikramvgarg/grins,vikramvgarg/grins,cahaynes/grins,nicholasmalaya/grins,nicholasmalaya/grins,cahaynes/grins,vikramvgarg/grins,vikramvgarg/grins,cahaynes/grins,vikramvgarg/grins,cahaynes/grins,nicholasmalaya/grins,cahaynes/grins