Revert "Disable Tpetra test for CUDA PR build"
Created by: bartlettroscoe
CC: @trilinos/framework
Reverts trilinos/Trilinos#4293
As per https://github.com/trilinos/Trilinos/issues/4257#issuecomment-460704262, this test should now be passing in all of the CUDA builds.
As this test is protecting ATDM, I added the ATDM
label. It is important that the PR builds protect the ATDM builds to the greatest extent they can.