Add CUDA_Runtime_jll and Reactant_jll to extras of test env (#564)

This enables us to slightly simplify the CI test job on self-hosted runners:
having these package in the extras section of the environment is sufficient for
making the preferences set in the Docker image effective, without having to
manually install packages.

Author: giordano

.github/workflows/CI.yml

@@ -133,9 +133,8 @@ jobs:
           # means that we have to use the same preferences also for the tests environment,
           # because running the tests clears up the load path.  Let's copy the global
           # preference file to test directory (the global one will be ignored during the
-          # tests), and add `CUDA_Runtime_jll` to the env to make the preference effective.
-          cp /usr/local/share/julia/environments/breeze/LocalPreferences.toml test/.
-          julia --project=test --color=yes --check-bounds=${{ matrix.check-bounds }} -e 'using Pkg; Pkg.Registry.update(); Pkg.add("CUDA_Runtime_jll")'
+          # tests).
+          cp -v /usr/local/share/julia/environments/breeze/LocalPreferences.toml test/.
       - name: Run tests
         shell: bash
         run: |

test/Project.toml

@@ -43,3 +43,7 @@ Reactant = "0.2.210"
 SpecialFunctions = "2"
 Statistics = "<0.0.1, 1"
 Test = "<0.0.1, 1"
+
+[extras]
+CUDA_Runtime_jll = "76a88914-d11a-5bdc-97e0-2f5a05c973a2"
+Reactant_jll = "0192cb87-2b54-54ad-80e0-3be72ad8a3c0"