When I do

container('mycontainer') {
  script {
    def foo = "ls -lah /var"
    echo "${foo}"
 

I get the `/var` of jnlp.

Even when inserting `dir('/var')` there is not behavior change.

When I however do `ls -lah /var` in `mycontainer` (via kubectl), I get the output of `mycontainer`.