Add a simple test

scripts/test.sh

@@ -0,0 +1,19 @@
+#!/usr/bin/env sh
+# test.sh -- Simple test for CI.
+# We'll have more involved tests eventually. This just ensures the binary has
+# been built and runs.
+
+set -eu
+
+main() {
+	cd "$(dirname "$0")/.."
+
+	version=$(./binaries/code-server* --version | head -1)
+	echo "Got '$version' for the version"
+	case $version in
+		*2.*-vsc1.41.1) exit 0 ;;
+		*) exit 1 ;;
+	esac
+}
+
+main "$@"