PlotlyJS does not display plot and errors on `Pkg.test("PlotlyJS")`

General Usage
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4

Great! (Un)fortunately, it seems like the error you encountered is not related to PlotlyJS but arises since “plotly-artifacts” cannot be obtained from julia’s Pkg server. This issue should be fixed on 1.6 though: "The remote server returned an error: (404) Not Found."