Bug Description

the problem is best described in test result https://my.cdash.org/test/67729705?graph=status

The test failure reports

Lmod has detected the following error: Swap failed: "PrgEnv-nvidia" is not
loaded.
==> Error: Test suite "spack_test_hdf5_e4s_21.11" already exists. Try another alias.

for this buildspec

buildspecs:
  spack_test_hdf5_e4s_21.11:
    type: spack
    executor: '(perlmutter|muller).local.sh'
    description: "Test [email protected] for e4s/21.11 stack for Perlmutter via spack test"
    tags: e4s
    pre_cmds: |
      module load e4s/21.11
      module swap PrgEnv-nvidia PrgEnv-gnu
    spack:
      root: /global/common/software/spackecp/perlmutter/e4s-21.11/spack/
      verify_spack: false
      test:
        run:
          specs: ['[email protected]']
        results:
          option: '-l'
          specs: ['[email protected]']

The issue is that we auto-generate the suite name and since the suite name is taken when rerunning the test this test never ran.

Steps to reproduce the error

Just run buildtest build against any spec in this directory https://github.com/buildtesters/buildtest-nersc/tree/devel/buildspecs/e4s/spack_test/perlmutter

Version and HEAD commit

devel branch

Relevant log output

No response

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Is there an existing issue

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