misc cleanups

Author: baileympearson

test/integration/node-specific/resource_tracking_script_builder.ts

@@ -144,8 +144,12 @@ export async function runScriptAndReturnHeapInfo(
 
   log('fetching messages 3: ', ending);
 
-  const startingMemoryUsed = starting.value[0].startingMemoryUsed;
-  const endingMemoryUsed = ending.value[0].endingMemoryUsed;
+  const {
+    value: [{ startingMemoryUsed }]
+  } = starting;
+  const {
+    value: [{ endingMemoryUsed }]
+  } = ending;
 
   const {
     value: [{ clientsInMemory }]

test/tools/fixtures/heap_resource_script.in.js

@@ -64,11 +64,6 @@ async function main() {
   process.send({ clientsInMemory });
 
   log('clients instances in memory sent.');
-  // const start = now();
-  // v8.writeHeapSnapshot(`${name}.heapsnapshot.json`);
-  // const end = now();
-
-  // log(`heap snapshot written in ${end - start}ms. script exiting`);
 }
 
 main()