Refactor infra tests, clean E2E step suites, and fix TS in tests

tests/e2e/workflows/steps-07-09-cars-flow.e2e.test.ts

@@ -0,0 +1,43 @@
+import { describe, it, expect, beforeAll, afterAll } from 'vitest';
+import path from 'path';
+import { PlaywrightAutomationAdapter } from 'packages/infrastructure/adapters/automation';
+import { StepId } from 'packages/domain/value-objects/StepId';
+
+describe('Workflow – steps 7–9 cars flow', () => {
+  let adapter: PlaywrightAutomationAdapter;
+  const fixtureBaseUrl = `file://${path.resolve(process.cwd(), 'html-dumps')}`;
+
+  beforeAll(async () => {
+    adapter = new PlaywrightAutomationAdapter({
+      headless: true,
+      timeout: 5000,
+      baseUrl: fixtureBaseUrl,
+      mode: 'mock',
+    });
+    await adapter.connect();
+  });
+
+  afterAll(async () => {
+    await adapter.disconnect();
+  });
+
+  it('executes time limits, cars, and add car in sequence', async () => {
+    await adapter.navigateToPage(`${fixtureBaseUrl}/step-07-time-limits.html`);
+    const step7Result = await adapter.executeStep(StepId.create(7), {
+      practice: 10,
+      qualify: 10,
+      race: 20,
+    });
+    expect(step7Result.success).toBe(true);
+
+    await adapter.navigateToPage(`${fixtureBaseUrl}/step-08-set-cars.html`);
+    const step8Result = await adapter.executeStep(StepId.create(8), {});
+    expect(step8Result.success).toBe(true);
+
+    await adapter.navigateToPage(`${fixtureBaseUrl}/step-09-add-car.html`);
+    const step9Result = await adapter.executeStep(StepId.create(9), {
+      carSearch: 'Porsche 911 GT3 R',
+    });
+    expect(step9Result.success).toBe(true);
+  });
+});