software/ors-amarisoft: ru/*: Wrap with `if not testing` things that require real environment

For example there is no slaptap under StandaloneSlapOS and <RU>-netconf-socket promise needs real RU hardware to be around and accepting incoming connections.

If we don't wrap such things with if not testing running test on testnodes will fail.

/cc @jhuge, @lu.xu, @tomo, @xavier_thompson, @Daetalus