Refactor: Introduce InteractiveRun class (#10947)

integration-tests/list_directory.test.ts

@@ -5,7 +5,12 @@
  */
 
 import { describe, it, expect } from 'vitest';
-import { TestRig, printDebugInfo, validateModelOutput } from './test-helper.js';
+import {
+  TestRig,
+  poll,
+  printDebugInfo,
+  validateModelOutput,
+} from './test-helper.js';
 import { existsSync } from 'node:fs';
 import { join } from 'node:path';
 
@@ -18,7 +23,7 @@ describe('list_directory', () => {
     rig.sync();
 
     // Poll for filesystem changes to propagate in containers
-    await rig.poll(
+    await poll(
       () => {
         // Check if the files exist in the test directory
         const file1Path = join(rig.testDir!, 'file1.txt');