I have daemon process,  I try to test its coverage


func Test_main(m *testing.T) {
   main()
}

go test -coverprofile coverage.out -args xxx.conf

since it is a daemon,  I have to kill it to stop it
kill <processid>  or   ctrl  +  c


I got the coverage report  coverage.out  only 10B


and of course ,  no  coverage report when run 

go tool cover -html=coverage.out -o coverage.html



how to solve this problem?

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