apputil: do not build test plugins that aren't compiling
apputil: do not build test plugins that aren't compiling

* org.csstudio.remote.test
* org.csstudio.servicelocator.test

ControlSystemStudio/cs-studio,ESSICS/cs-studio,css-iter/cs-studio,ControlSystemStudio/cs-studio,css-iter/cs-studio,ControlSystemStudio/cs-studio,ESSICS/cs-studio,ControlSystemStudio/cs-studio,css-iter/cs-studio,ControlSystemStudio/cs-studio,ESSICS/cs-studio,css-iter/cs-studio,ESSICS/cs-studio,ControlSystemStudio/cs-studio,css-iter/cs-studio,css-iter/cs-studio,css-iter/cs-studio,ESSICS/cs-studio,ESSICS/cs-studio,ESSICS/cs-studio