test: enable running tests under root user

Add tests that run under root user to test special cases.

Fixes: #2446

Signed-off-by: bin <bin@hyper.sh>

src/runtime/pkg/katatestutils/utils.go

@@ -6,7 +6,10 @@
 
 package katatestutils
 
-import "strconv"
+import (
+	"os"
+	"strconv"
+)
 
 type RuntimeConfigOptions struct {
 	Hypervisor           string
@@ -150,3 +153,8 @@ func MakeRuntimeConfigFileData(config RuntimeConfigOptions) string {
 	jaeger_user= "` + config.JaegerUser + `"
 	jaeger_password= "` + config.JaegerPassword + `"`
 }
+
+func IsInGitHubActions() bool {
+	// https://docs.github.com/en/actions/reference/environment-variables#default-environment-variables
+	return os.Getenv("GITHUB_ACTIONS") == "true"
+}