Add screenshot test into ci

.github/workflows/screenshot.yml

@@ -0,0 +1,52 @@
+name: screenshot
+
+on:
+  pull_request:
+  push:
+    branches:
+      - master
+
+jobs:
+  screenshot:
+    runs-on: ubuntu-latest
+
+    permissions:
+      id-token: write
+      contents: read
+    steps:
+      - uses: linz/action-typescript@v3
+
+      - name: (Screenshot) Screenshot Pull Request Changes
+        run: |
+          ./bms.mjs --url https://basemaps.linz.govt.nz/ --output $PWD/.artifacts/visual-snapshots
+
+      - name: Save snapshots
+        uses: getsentry/action-visual-snapshot@v2
+        with:
+          save-only: true
+          snapshot-path: .artifacts/visual-snapshots
+
+  visual-diff:
+    permissions:
+      id-token: write
+      contents: write
+      checks: write
+    needs: [screenshot]
+    name: validate screenshots
+    if: github.ref != 'refs/heads/master' && github.event_name == 'pull_request'
+    runs-on: ubuntu-latest
+    timeout-minutes: 20
+    steps:
+      - name: AWS Configure
+        uses: aws-actions/[email protected]
+        with:
+          aws-region: ap-southeast-2
+          mask-aws-account-id: true
+          role-to-assume: ${{ secrets.AWS_ROLE_SCREENSHOT }}
+
+      - name: Diff snapshots
+        id: visual-snapshots-diff
+        uses: blacha/action-visual-snapshot@v2
+        with:
+          storage-prefix: 's3://linz-basemaps-screenshot'
+          storage-url: 'https://d25mfjh9syaxsr.cloudfront.net'

src/tiles.ts

@@ -32,7 +32,7 @@ export const DefaultTestTiles: TestTile[] = [
     name: 'health-2193-z3',
     tileMatrix: TileMatrixIdentifier.Nztm2000Quad,
     location: { lat: -41.8899962, lng: 174.0492437, z: 3 },
-    tileSet: 'aerial',
+    tileSet: 'health',
   },
   {
     name: 'aerial-3857-wellington-urban-z16',