test: use async/await in test-debugger-auto-resume

PR-URL: #44675
Reviewed-By: Rich Trott <rtrott@gmail.com>

test/sequential/test-debugger-auto-resume.mjs

@@ -0,0 +1,35 @@
+import { skipIfInspectorDisabled } from '../common/index.mjs';
+
+skipIfInspectorDisabled();
+
+import { path as _path } from '../common/fixtures.js';
+import startCLI from '../common/debugger.js';
+import { addLibraryPath } from '../common/shared-lib-util.js';
+
+import { deepStrictEqual, strictEqual } from 'assert';
+import { relative } from 'path';
+
+addLibraryPath(process.env);
+
+// Auto-resume on start if the environment variable is defined.
+{
+  const scriptFullPath = _path('debugger', 'break.js');
+  const script = relative(process.cwd(), scriptFullPath);
+
+  const env = {
+    ...process.env,
+  };
+  env.NODE_INSPECT_RESUME_ON_START = '1';
+
+  const cli = startCLI([script], [], {
+    env,
+  });
+
+  await cli.waitForInitialBreak();
+  deepStrictEqual(cli.breakInfo, {
+    filename: script,
+    line: 10,
+  });
+  const code = await cli.quit();
+  strictEqual(code, 0);
+}