test: correctly order assertion arguments

PR-URL: #23473
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>

Author: sheminusminus

test/sequential/test-inspector-debug-brk-flag.js

@@ -34,7 +34,7 @@ async function runTests() {
   await testBreakpointOnStart(session);
   await session.runToCompletion();
 
-  assert.strictEqual(55, (await child.expectShutdown()).exitCode);
+  assert.strictEqual((await child.expectShutdown()).exitCode, 55);
 }
 
 runTests();