test with CTS main

Author: Sbozzolo

.buildkite/pipeline.yml

@@ -25,6 +25,7 @@ steps:
 
       - echo "--- Instantiate experiments"
       - "julia --project=.buildkite -e 'using Pkg; Pkg.develop(;path=\".\"); Pkg.instantiate(;verbose=true)'"
+      - "julia --project=.buildkite -e 'using Pkg; Pkg.add(Pkg.PackageSpec(;name=\"ClimaTimeSteppers\", rev=\"main\"))'"
       - "julia --project=.buildkite -e 'using Pkg; Pkg.status()'"
 
       - echo "--- Instantiate test"