add a few test cases for coerce + 'info_array'
add a few test cases for coerce + 'info_array'

asolagmbh/plotly.js,etpinard/plotly.js,aburato/plotly.js,plotly/plotly.js,plotly/plotly.js,plotly/plotly.js,asolagmbh/plotly.js,asolagmbh/plotly.js,aburato/plotly.js,iongroup/plotly.js,iongroup/plotly.js,iongroup/plotly.js,etpinard/plotly.js,etpinard/plotly.js,plotly/plotly.js