test: fix failing nightly test

With latest stacker-bom (v0.0.7) included, all bom enabled layers must
set their annotations.

Signed-off-by: Ramkumar Chinchani <rchincha@cisco.com>

test/bom.bats

@@ -391,6 +391,27 @@ first:
       touch /pkg1/file
       mkdir -p /pkg2
       touch /pkg2/file
+    annotations:
+      org.opencontainers.image.authors: bom-test
+      org.opencontainers.image.vendor: bom-test
+      org.opencontainers.image.licenses: MIT
+EOF
+    stacker build --substitute CENTOS_OCI=${CENTOS_OCI}
+    # a full inventory for this image
+    [ -f .stacker/artifacts/second/inventory.json ]
+    # sbom for this image
+    [ -f .stacker/artifacts/second/second.json ]
+    if [ -n "${ZOT_HOST}:${ZOT_PORT}" ]; then
+      zot_setup
+      stacker publish --skip-tls --url docker://${ZOT_HOST}:${ZOT_PORT} --tag latest --substitute CENTOS_OCI=${CENTOS_OCI}
+      refs=$(regctl artifact tree ${ZOT_HOST}:${ZOT_PORT}/second:latest --format "{{json .}}" | jq '.referrer | length')
+      [ $refs -eq 2 ]
+      refs=$(regctl artifact get --subject ${ZOT_HOST}:${ZOT_PORT}/second:latest --filter-artifact-type "application/spdx+json" | jq '.SPDXID')
+      [ $refs == \"SPDXRef-DOCUMENT\" ]
+      zot_teardown
+    fi
+    stacker clean
+}
 
 second:
   from: