more robust test for modeBar.destroy
more robust test for modeBar.destroy

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