Test/old-worker-new-composer: use latest composer for verification

To avoid incompatibility between older image-info and latest osbuild

test/cases/regression-old-worker-new-composer.sh

@@ -31,6 +31,13 @@ DESIRED_WORKER_RPM="osbuild-composer-worker-$((CURRENT_WORKER_VERSION - 3))"
 DESIRED_TAG_SHA=$(curl -s "https://api.github.com/repos/osbuild/osbuild-composer/git/ref/tags/v$((CURRENT_WORKER_VERSION-3))" | jq -r '.object.sha')
 DESIRED_COMMIT_SHA=$(curl -s "https://api.github.com/repos/osbuild/osbuild-composer/git/tags/$DESIRED_TAG_SHA" | jq -r '.object.sha')
 
+# Get commit hash of latest composer version, only used for verification.
+CURRENT_COMPOSER_VERSION=$(rpm -q --qf '%{version}\n' osbuild-composer)
+VERIFICATION_COMPOSER_RPM="osbuild-composer-$((CURRENT_COMPOSER_VERSION - 1))"
+
+COMPOSER_LATEST_TAG_SHA=$(curl -s "https://api.github.com/repos/osbuild/osbuild-composer/git/ref/tags/v$((CURRENT_COMPOSER_VERSION-1))" | jq -r '.object.sha')
+COMPOSER_LATEST_COMMIT_SHA=$(curl -s "https://api.github.com/repos/osbuild/osbuild-composer/git/tags/$COMPOSER_LATEST_TAG_SHA" | jq -r '.object.sha')
+
 COMPOSER_CONTAINER_NAME="composer"
 
 # Container image used for cloud provider CLI tools
@@ -380,8 +387,10 @@ $AWS_CMD s3api put-object-tagging \
 
 greenprint "✅ Successfully tagged S3 object"
 
+setup_repo osbuild-composer "$COMPOSER_LATEST_COMMIT_SHA" 10
+
 greenprint "Installing osbuild-composer-tests for image-info"
-sudo dnf install -y osbuild-composer-tests
+sudo dnf install -y $VERIFICATION_COMPOSER_RPM
 
 curl "${S3_URL}" --output "${WORKDIR}/disk.qcow2"