ci: add full-node tests (#920)

diff --git a/build/fetch-junit-xml.sh b/build/fetch-junit-xml.sh
new file mode 100755
index 0000000..785df28
--- /dev/null
+++ b/build/fetch-junit-xml.sh
@@ -0,0 +1,18 @@
+# Copyright (c) 2022 VEXXHOST, Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+REPORT_FILE_NAME="${1:-report.xml}"
+
+sudo apt-get install -y subunit python3-junitxml
+sudo subunit-1to2 /tmp/stestr/0 | subunit2junitxml > "${REPORT_FILE_NAME}"