Add post-install scripts to all tests to capture failure details in GitHub workflow summary (#88)

.github/tests/upstream-authority-cert-manager/post-install.sh

@@ -0,0 +1,17 @@
+#!/usr/bin/env bash
+
+set -x
+
+SCRIPT=$(readlink -f "$0")
+SCRIPTPATH="$(dirname "${SCRIPT}")"
+scenario="${scenario:-$(basename "${SCRIPTPATH}")}"
+
+# shellcheck source=/dev/null
+source "${SCRIPTPATH}/../common.sh"
+
+print_helm_releases
+print_spire_workload_status "${scenario}"
+
+if [ "$1" != '0' ]; then
+  get_namespace_details "${scenario}"
+fi