tests: add centos-7-x86_64 mock build
tests: add centos-7-x86_64 mock build

safchain/skydive,lebauce/skydive,safchain/skydive,safchain/skydive,lebauce/skydive,lebauce/skydive,safchain/skydive,skydive-project/skydive,lebauce/skydive,safchain/skydive,lebauce/skydive,skydive-project/skydive,safchain/skydive,skydive-project/skydive,safchain/skydive,skydive-project/skydive,skydive-project/skydive,skydive-project/skydive,skydive-project/skydive,lebauce/skydive,lebauce/skydive,lebauce/skydive,safchain/skydive