cicd: add /var/tmp mount to make sure it's on a real filesystem

Signed-off-by: Hank Donnay <[email protected]>

.github/workflows/tests.yml

@@ -188,7 +188,7 @@ jobs:
           gover: ${{ steps.setup-go.outputs.go-version }}
         run: |
           # Go Tests
-          mkdir -p ~/.cache/clair-testing
+          mkdir -p ~/.cache/clair-testing "${RUNNER_TEMP}/vartmp"
           # Still haven't figured out the caching 100%, so make sure the stdlib is built, at least.
           export GOARCH='${{ matrix.platform }}'
           for mod in '' github.com/quay/clair/config github.com/quay/claircore github.com/quay/claircore/toolkit; do
@@ -230,6 +230,8 @@ jobs:
             --mount "type=bind,src=${HOME}/.cache/clair-testing,dst=/root/.cache/clair-testing" \
             --mount "type=bind,src=$(pwd),dst=/build" \
             --mount "type=bind,src=${RUNNER_TEMP}/tests.sh,dst=/root/tests.sh" \
+            --mount "type=bind,src=${RUNNER_TEMP}/vartmp,dst=/var/tmp" \
+            --mount "type=tmpfs,dst=/tmp" \
             --env-file "${RUNNER_TEMP}/env.list" \
             --workdir "/build/${{ inputs.cd }}" \
             "quay.io/projectquay/golang:${gover%.*}" \