Create grade-junit.sh

Author: Genyus

.github/workflows/grade-junit.sh

@@ -0,0 +1,11 @@
+#!/bin/sh
+passed=$1
+failed=$2
+skipped=$3
+total=$((passed + failed + skipped))
+
+if [ -n "$GITHUB_OUTPUT" ]; then
+  echo "total=$total" >> "$GITHUB_OUTPUT"
+fi
+
+echo "$passed of $total tests passed"