RubyMine doesn't have a code coverage tab
已回答
When i run code coverage ,nothing shows.
In the unit test configuration, i can't see the coverage tab

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Hello,
could you please check whether you've followed our guide:
https://www.jetbrains.com/help/ruby/code-coverage.html
I'm also unable to see the coverage tab. I have followed the guide. The coverage gem is installed. I am using Docker Compose for my environment. Could that be related?
Crazysim, in case of Docker Compose running with coverage isn't supported so please add your vote to the corresponding request on our tracker: https://youtrack.jetbrains.com/issue/RUBY-26482