packaging: add missing file

Signed-off-by: huangjun <hjwsm1989@gmail.com>
Reviewed-by: Ken Dreyer <ken.dreyer@inktank.com>
packaging: match all test files

It's tedious to try to keep the list of test files up to date in the RPM
spec file. Use a wildcard to match them all.

Reported-by: huangjun <hjwsm1989@gmail.com>
Signed-off-by: Ken Dreyer <ken.dreyer@inktank.com>
Merge pull request #1287 from kdreyer-inktank/redhat-files

packaging: file list adjustments

Tested-by: Huang Jun <hjwsm1989@gmail.com>