Steps to reproduce: 

1. Set the dark theme in Test Studio.
2. Go to the Reports tab and choose some test runs to create a report.
3. Export this to an image or html.

Expected: The x-axis and y-axis of the bar chart to be listed in the exported image. The colour legend next to the pie chart to be specified. 

Actual: These are missing. 

Note: If the export is performed from the light theme, the mentioned legend is output as expected.