ToxLinkProcessorTest needs SwGlobals::ensure to set pSwResMgr

...derefernced in

(anonymous namespace)::lcl_NewUINameArray
SwStyleNameMapper::GetChrFmtUINameArray
SwStyleNameMapper::getNameFromId
SwStyleNameMapper::fillNameFromId
SwStyleNameMapper::FillUIName
SwFmtINetFmt::SwFmtINetFmt
sw::ToxLinkProcessor::ClosedLink::ClosedLink
sw::ToxLinkProcessor::CloseLink
ToxLinkProcessorTest::ExceptionIsThrownIfTooManyLinksAreClosed
...

Also, fix the name from sw_tox_test to sw_tox.

Change-Id: I48ea9fb6322df3725b089538fd67b2e24578b668