Created attachment 923099 [details]
[testing report] If all plans belongs to a product have plan tag, system display 'untagged' in tag list in testing report by Plan's Tag
Description of problem:
Version-Release number of selected component (if applicable):
v3.8.10-1 on devel server.
Steps to Reproduce:
1.The product 'qiyang test product' only has 2 plans, both of the two plans has plan tag.
2.Enter testing report page, choose product as 'qiyang test product', generate report by Plan's Tag.
3.Inspect the tag list.
The tag list display all plan tags, includes 'untagged'.
The tag list display all plan tags, doesn't include 'untagged'.
this is fixed. not display 'untagged' when no tags have data in the report.
verify this issue on 3.8.10-1 on devel server.--->Pass
verify steps are same as description.