test: use single heap snapshot for multiple validations

Author: mertcanaltin

test/pummel/test-heapdump-secure-context.js

@@ -7,12 +7,17 @@ if (!common.hasCrypto) common.skip('missing crypto');
 
 const fixtures = require('../common/fixtures');
 const assert = require('assert');
-const { validateByRetainingPath } = require('../common/heap');
+const {
+  createJSHeapSnapshot,
+  validateByRetainingPathFromNodes,
+} = require('../common/heap');
 const tls = require('tls');
 
 {
-  const nodes = validateByRetainingPath('Node / SecureContext', []);
-  assert.strictEqual(nodes.length, 0);
+  const nodes = createJSHeapSnapshot();
+  const matches = nodes.filter(
+    (n) => n.name === 'Node / SecureContext' && n.type !== 'string');
+  assert.strictEqual(matches.length, 0);
 }
 
 // eslint-disable-next-line no-unused-vars
@@ -21,7 +26,12 @@ const ctx = tls.createSecureContext({
   key: fixtures.readKey('agent1-key.pem'),
 });
 
-validateByRetainingPath('Node / SecureContext', [
-  { edge_name: 'ctx', node_name: 'Node / ctx' },
-  { edge_name: 'cert', node_name: 'Node / cert' },
-]);
+{
+  const nodes = createJSHeapSnapshot();
+  validateByRetainingPathFromNodes(nodes, 'Node / SecureContext', [
+    { edge_name: 'ctx', node_name: 'Node / ctx' },
+  ]);
+  validateByRetainingPathFromNodes(nodes, 'Node / SecureContext', [
+    { edge_name: 'cert', node_name: 'Node / cert' },
+  ]);
+}