Goal: In the Fitbit App, view the fitness activity insights trends like steps,distance,time duration, and pace of walk.
Steps:
action: action_type: click
step_instruction: Click on the back icon at the top left corner
action: action_type: click
step_instruction: Click on the back icon at the top left corner
action: action_type: click
step_instruction: Click on the back icon of settings at the top left corner
action: action_type: click
step_instruction: Click on the Walk option 
action: action_type: click
step_instruction: Click on the graph representation of walk