tweak download_test - msSaveBlob reset to afterAll -> afterEach
tweak download_test - msSaveBlob reset to afterAll -> afterEach

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