Run the tests via GitHub Actions

.github/workflows/ci.yml

@@ -0,0 +1,16 @@
+name: playwright
+
+on: [push, pull_request]
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+      - run: make install
+      - run: make test

Makefile

@@ -12,7 +12,11 @@ format:
 
 .PHONY: test
 test: install
+ifdef CI
+	npx playwright test --grep-invert "@snapshot"
+else
 	npx playwright test
+endif
 
 snapshots: install
 	npx playwright test --grep "@snapshot"

playwright.config.js

@@ -5,8 +5,7 @@ module.exports = defineConfig({
   fullyParallel: true,
   workers: "100%",
   retries: 2,
-  /** Mismatched screenshots are rewritten and the test passes; commit PNG diffs in git to review. */
-  updateSnapshots: "changed",
+  updateSnapshots: process.env.CI ? "none" : "changed",
   snapshotPathTemplate: "{testDir}/snapshots/{arg}{ext}",
   expect: {
     toHaveScreenshot: {
@@ -28,5 +27,5 @@ module.exports = defineConfig({
     url: "http://localhost:8080",
     reuseExistingServer: true,
   },
-  reporter: "dot",
+  reporter: process.env.CI ? "line" : "dot",
 });