Set the HOME environment variable for sub-containers.

Fixes #701

PiperOrigin-RevId: 316025635

pkg/test/criutil/criutil.go

@@ -113,6 +113,17 @@ func (cc *Crictl) Exec(contID string, args ...string) (string, error) {
 	return output, nil
 }
 
+// Logs retrieves the container logs. It corresponds to `crictl logs`.
+func (cc *Crictl) Logs(contID string, args ...string) (string, error) {
+	a := []string{"logs", contID}
+	a = append(a, args...)
+	output, err := cc.run(a...)
+	if err != nil {
+		return "", fmt.Errorf("logs failed: %v", err)
+	}
+	return output, nil
+}
+
 // Rm removes a container. It corresponds to `crictl rm`.
 func (cc *Crictl) Rm(contID string) error {
 	_, err := cc.run("rm", contID)