Moves the unit tests for Lantern to be alongside their modules, like devtools, and renames them.
Also disables eslint for these test files since otherwise getting that to work would take some effort and these files are not much longer lived in this repo.
ref #15841
Moves the unit tests for Lantern to be alongside their modules, like devtools, and renames them.
Also disables eslint for these test files since otherwise getting that to work would take some effort and these files are not much longer lived in this repo.