chore: add test for --only-changed with project dependencies

tests/playwright-test/only-changed.spec.ts

@@ -364,4 +364,46 @@ test('UI mode is not supported', async ({ runInlineTest }) => {
   const result = await runInlineTest({}, { 'only-changed': true, 'ui': true });
   expect(result.exitCode).toBe(1);
   expect(result.output).toContain('--only-changed is not supported in UI mode');
+});
+
+test('should run project dependencies of changed tests', async ({ runInlineTest, git, writeFiles }) => {
+  await writeFiles({
+    'playwright.config.ts': `
+      module.exports = {
+        projects: [
+          { name: 'setup', testMatch: 'setup.ts', },
+          { name: 'main', dependencies: ['setup'] },
+        ],
+      };
+    `,
+    'setup.ts': `
+      console.log("setup is run")
+    `,
+    'a.spec.ts': `
+      import { test, expect } from '@playwright/test';
+      test('fails', () => { expect(1).toBe(2); });
+    `,
+    'b.spec.ts': `
+      import { test, expect } from '@playwright/test';
+      test('fails', () => { expect(1).toBe(2); });
+    `,
+  });
+
+  git(`add .`);
+  git(`commit -m init`);
+
+  const result = await runInlineTest({
+    'c.spec.ts': `
+      import { test, expect } from '@playwright/test';
+      test('fails', () => { expect(1).toBe(2); });
+    `
+  }, { 'only-changed': true });
+
+  expect(result.exitCode).toBe(1);
+  expect(result.failed).toBe(1);
+  expect(result.passed).toBe(0);
+
+  console.log(result.output);
+  expect(result.output).toContain('setup is run');
+  expect(result.output).toContain('c.spec.ts');
 });