enhance(e2e): update playwright config (logseq#9623)

playwright.config.ts

@@ -1,12 +1,28 @@
 import { PlaywrightTestConfig } from '@playwright/test'
 
 const config: PlaywrightTestConfig = {
+  // The directory where the tests are located
+  // The order of the tests is determined by the file names alphabetically.
   testDir: './e2e-tests',
+
+  // The number of retries before marking a test as failed.
   maxFailures: 1,
-  workers: 1, // NOTE: must be 1 for now, otherwise tests will fail.
+
+  // The number of Logseq instances to run in parallel.
+  // NOTE: must be 1 for now, otherwise tests will fail.
+  workers: 1,
+
+  // 'github' for GitHub Actions CI to generate annotations, plus a concise 'dot'.
+  // default 'list' when running locally.
+  reporter: process.env.CI ? 'github' : 'list',
+
+  // Fail the build on CI if test.only is present.
+  forbidOnly: !!process.env.CI,
+
   use: {
+    // SCapture screenshot after each test failure.
     screenshot: 'only-on-failure',
-  }
+  },
 }
 
 export default config