[GR-24302] Verify insight in node can be used immediately.

PullRequest: graal/6737

Author: Jaroslav Tulach

vm/tests/all/agentscript/agent-nodeboot.test

@@ -0,0 +1,16 @@
+> cat > ${TMP_DIR}/agent.js
+< let firstCall = function() {
+<    console.log("Hello");
+< };
+< insight.on('return', firstCall, {
+<    roots: true
+< });
+> cat > ${TMP_DIR}/script.js
+< console.log("World");
+> cd ${TMP_DIR}
+>[6] node --experimental-options --insight=agent.js script.js
+agent.js:3
+   console.log("Hello");
+   ^
+
+ReferenceError: console is not defined