Declare this module as friend in Netbeans for Test Runner/Coverage/Gototest API

[albilu]

mbien quote: friend APIs are APIs which are not stable and therefore not public. If you want to use them anyway, you have to pretend to be a friend and use them. Since they can change from release to release, you have to do provide a build for every release
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if the NB would declare the python module as friend. the module would be able to use it right away

Action Item: Discuss with Netbeans devs to solve this issue

[albilu]

apache/netbeans#5942

[albilu]

apache/netbeans#6871