workflow: run pytest in parallel

We cannot run too many tests in parallel or we run out of diskspace in the GH runners (or other bad things happen).
osbuild · Nov 11, 2024 · d381540 · d381540
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commit d381540
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diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
@@ -122,7 +122,8 @@ jobs:
         # podman needs (parts of) the environment but will break when
         # XDG_RUNTIME_DIR is set.
         # TODO: figure out what exactly podman needs
-        sudo -E XDG_RUNTIME_DIR= pytest-3 --basetemp=/mnt/var/tmp/bib-tests
+        # run a bunch of tests in parallel
+        sudo -E XDG_RUNTIME_DIR= pytest-3 -n 2 --basetemp=/mnt/var/tmp/bib-tests
     - name: Diskspace (after)
       if: ${{ always() }}
       run: |

diff --git a/test/requirements.txt b/test/requirements.txt
@@ -4,3 +4,4 @@ paramiko==2.12.0
 boto3==1.33.13
 qmp==1.1.0
 pylint==3.2.5
+pytest-xdist