The system test write with ginkgo

The tests can be filter by --focus and --skip to fit different test
target. Also be able to set global options and cmd options by export
it to ENV to fit different test matrix.

Signed-off-by: Yiqiao Pu <ypu@redhat.com>

test/utils/utils.go

@@ -7,6 +7,7 @@ import (
 	"io/ioutil"
 	"os"
 	"os/exec"
+	"runtime"
 	"strings"
 	"time"