Add comprehensive e2e test suites for Tasks 16-25

Tasks 16-20: Online Board Tests (Search/Filter, Tabs, Flight List, Details Modal, Time/Date)
- Task 16: Search & Filter tests (37 tests) - departure/arrival cities, passenger count, cabin class
- Task 17: Arrival/Departure Tabs tests (45 tests) - tab switching, flight display, sorting
- Task 18: Flight List View tests (50 tests) - display, sorting, filtering, pagination, loading states
- Task 19: Flight Details Modal tests (40 tests) - opening/closing, content display, actions
- Task 20: Time & Date Filter tests (43 tests) - date selection, time ranges, calendar navigation

Tasks 21-25: Flight Details Tests (Flight Info, Passengers, Seats, Services, Fares)
- Task 21: Flight Info Display tests (40 tests) - basic info, airports, route visualization, timeline
- Task 22: Passenger Info tests (50 tests) - passenger list, details, services, special requirements
- Task 23: Seat Selection tests (50 tests) - seat map, selection, categories, recommendations
- Task 24: Service Selection tests (25 tests) - baggage, meals, seats, summary
- Task 25: Fare Display tests (55 tests) - fare breakdown, comparisons, discounts, refunds

All tests follow AAA pattern and use data-testid selectors matching Angular version.
Total: 245 tests across 10 feature suites.

node_modules/backstopjs/.github/workflows/_backstop-ci-runner.yml

@@ -0,0 +1,25 @@
+name: 👀 Backstop CI Runner
+run-name: "CI running on ${{ github.event_name == 'pull_request' && format('PR #{0}: {1}', github.event.pull_request.number, github.event.pull_request.title) || format('latest {0}', github.ref_name) }}"
+
+on:
+  workflow_dispatch:
+  pull_request:
+    branches: [master, develop]
+  push:
+    branches: [master, develop]
+
+permissions:
+  actions: write
+  checks: write
+  contents: write
+  pull-requests: write
+  packages: write
+
+env:
+  BRANCH_NAME: ${{ github.event.pull_request.head.sha || github.head_ref || github.ref_name }}
+
+jobs:    
+  backstop-reference-test:
+    name: Backstop reference test
+    uses: ./.github/workflows/backstop-reference-test.yml
+

node_modules/backstopjs/.github/workflows/backstop-publish.yml

@@ -0,0 +1,29 @@
+name: Backstop Publish
+#doesnt work :(
+
+on:
+  workflow_dispatch:
+  workflow_call:
+
+
+permissions:
+  actions: write
+  checks: write
+  contents: write
+  pull-requests: write
+  packages: write
+
+env:
+  BRANCH_NAME: ${{ github.event.pull_request.head.sha || github.head_ref || github.ref_name }}
+  NODE_VERSION: 20
+
+jobs:
+  backstop-publish-flow:
+    name: publish-flow
+    runs-on: ubuntu-latest
+    steps:
+      - name: publish to npm
+        uses: ./.github/workflows/npm-push.yml
+
+      - name: publish to dockerhub
+        uses: ./.github/workflows/dockerhub-build-push.yml

node_modules/backstopjs/.github/workflows/backstop-reference-test.yml

@@ -0,0 +1,38 @@
+name: 🛞 Backstop Reference Test
+
+on:
+  workflow_dispatch:
+  workflow_call:
+
+permissions:
+  actions: write
+  contents: write
+  pull-requests: write
+
+env:
+  NODE_VERSION: 20
+
+jobs:
+  reference-test:
+    name: reference-test
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 1
+          ref: ${{ github.event.pull_request.head.sha || github.ref }}
+
+      - name: Setup Node & Cache
+        uses: actions/setup-node@v4
+        with:
+          cache: "npm"
+          cache-dependency-path: package-lock.json
+
+      - name: Install
+        run: npm ci
+
+      - name: "execute test"
+        run: npm run reference-test
+
+

node_modules/backstopjs/.github/workflows/backstop-sanity-docker.yml

@@ -0,0 +1,69 @@
+name: Backstop Sanity Docker
+
+on:
+  workflow_dispatch:
+  workflow_call:
+
+permissions:
+  actions: write
+  checks: write
+  contents: write
+  pull-requests: write
+  packages: write
+
+env:
+  NODE_VERSION: 20
+  # BRANCH_NAME: ${{ github.event.pull_request.head_ref || github.event.pull_request.head.ref_name || github.head_ref || github.ref_name }}
+  # REGISTRY: ghcr.io
+  # IMAGE_NAME: ${{ github.repository }}
+
+jobs:
+  sanity-puppeteer-docker:
+    name: 🤪 Puppeteer-On-Docker
+    runs-on: ubuntu-latest
+
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 1
+          ref: ${{ github.event.pull_request.head.sha || github.ref }}
+
+      - name: Login to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+        run:
+          echo "USERNAME=${secrets.DOCKERHUB_USERNAME}" >>${GITHUB_ENV}
+          echo "USERNAME=${secrets.DOCKERHUB_TOKEN}" >>${GITHUB_ENV}
+          
+      - name: Set Name and Tag Vars
+        env:
+          name: "${{ env.BRANCH_NAME }}"
+        run: |
+          echo "IMAGE_NAME_LC=${IMAGE_NAME,,}" >>${GITHUB_ENV}
+          echo "TAG=${name/\//-}" >> $GITHUB_ENV
+          echo "PV=$(cat package.json | jq -r '.version')" >> $GITHUB_ENV
+          echo "PLAYWRIGHT_VERSION=$(cat package.json | jq -r '.dependencies.playwright')"  >> $GITHUB_ENV
+
+      - name: ⬢ Setup Node & Cache
+        uses: actions/setup-node@v4
+        with:
+          cache: "npm"
+          cache-dependency-path: package-lock.json
+
+      - name: ↧ Install
+        run: npm ci
+
+      - name: "𓋏 Run `npm run sanity-test-docker`"
+        run: |
+          npm run sanity-test-docker
+
+
+
+

node_modules/backstopjs/.github/workflows/docker-sanity-test.yml

@@ -0,0 +1,115 @@
+name: Docker Sanity Tests
+
+on:
+  workflow_dispatch:
+  workflow_call:
+
+permissions:
+  actions: write
+  checks: write
+  contents: write
+  pull-requests: write
+  packages: write
+
+env:
+  BRANCH_NAME: ${{ github.event.pull_request.head_ref || github.event.pull_request.head.ref_name || github.head_ref || github.ref_name }}
+  NODE_VERSION: 20
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
+
+jobs:
+  sanity-test-puppeteer:
+    name: 🤪 Puppeteer
+    runs-on: ubuntu-latest
+
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 1
+          ref: ${{ github.event.pull_request.head.sha || github.ref }}
+
+      - name: Set Name and Tag Vars
+        env:
+          name: "${{ env.BRANCH_NAME }}"
+        run: |
+          echo "IMAGE_NAME_LC=${IMAGE_NAME,,}" >>${GITHUB_ENV}
+          echo "TAG=${name/\//-}" >> $GITHUB_ENV
+          echo "PV=$(cat package.json | jq -r '.version')" >> $GITHUB_ENV
+          echo "PLAYWRIGHT_VERSION=$(cat package.json | jq -r '.dependencies.playwright')"  >> $GITHUB_ENV
+
+      - name: Log in to the Container registry
+        uses: docker/login-action@65b78e6e13532edd9afa3aa52ac7964289d1a9c1
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: ⬢ Setup Node & Cache
+        uses: actions/setup-node@v4
+        with:
+          cache: "npm"
+          cache-dependency-path: package-lock.json
+
+      - name: ↧ Install
+        run: npm ci
+
+      - name: Pull Image
+        run: |
+          docker pull $REGISTRY/$IMAGE_NAME_LC:$TAG
+
+      - name: "𓋏 Run `backstop test` in Docker"
+        run: |
+          cd test/configs/ && docker run --rm -t --mount type=bind,source="$(pwd)",target=/src $REGISTRY/$IMAGE_NAME_LC:$TAG test
+
+  sanity-test-playwright:
+    name: 🤪 Playwright
+    runs-on: ubuntu-latest
+
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 1
+          ref: ${{ github.event.pull_request.head.sha || github.ref }}
+
+      - name: Set Name and Tag Vars
+        env:
+          name: "${{ env.BRANCH_NAME }}"
+        run: |
+          echo "IMAGE_NAME_LC=${IMAGE_NAME,,}" >>${GITHUB_ENV}
+          echo "TAG=${name/\//-}" >> $GITHUB_ENV
+          echo "PV=$(cat package.json | jq -r '.version')" >> $GITHUB_ENV
+          echo "PLAYWRIGHT_VERSION=$(cat package.json | jq -r '.dependencies.playwright')"  >> $GITHUB_ENV
+
+      - name: Log in to the Container registry
+        uses: docker/login-action@65b78e6e13532edd9afa3aa52ac7964289d1a9c1
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: ⬢ Setup Node & Cache
+        uses: actions/setup-node@v4
+        with:
+          cache: "npm"
+          cache-dependency-path: package-lock.json
+
+      - name: ↧ Install
+        run: npm ci --verbose --foreground-scripts
+
+      - name: Pull Image
+        run: |
+          docker pull $REGISTRY/$IMAGE_NAME_LC:$TAG
+
+      - name: "🎭 Run `backstop test --confg=playwright` in Docker"
+        run: |
+          cd test/configs/ && docker run --rm -t --entrypoint='' --mount type=bind,source="$(pwd)",target=/src $REGISTRY/$IMAGE_NAME_LC:$TAG sh -c "chmod -R 777 /root && chmod -R 777 /opt/pw-browsers && npm --verbose --foreground-scripts i -D playwright && npx --verbose --foreground-scripts --yes playwright@$PLAYWRIGHT_VERSION install && backstop test --config=playwright"

node_modules/backstopjs/.github/workflows/dockerhub-build-push.yml

@@ -0,0 +1,53 @@
+name: 🐳 Docker Hub Build & Push
+
+on:
+  workflow_dispatch:
+  workflow_call:
+
+permissions:
+  actions: write
+  checks: write
+  contents: write
+  pull-requests: write
+  packages: write
+
+env:
+  NODE_VERSION: 20
+
+jobs:
+  build-and-push-image:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: ⇣ Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 1
+          ref: ${{ github.event.pull_request.head.sha || github.ref }}
+
+      - name: 🏷️ Set Docker Image Tag
+        run: |
+          echo "PV=$(cat package.json | jq -r '.version')" >> $GITHUB_ENV
+
+      - name: Log in to the Container registry
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: ⬢ Setup Node & Cache
+        uses: actions/setup-node@v4
+        with:
+          cache: "npm"
+          cache-dependency-path: package-lock.json
+
+      - name: ↧ Install
+        run: npm ci --verbose --foreground-scripts
+
+      - name: 🚢 Build Docker Builder
+        run: |
+          npm run --verbose --foreground-scripts init-docker-builder
+
+      - name: 🐳 Build & Push to Docker Hub
+        run: |
+          docker buildx build --push --platform linux/amd64,linux/arm64 -t backstopjs/backstopjs:$PV -t backstopjs/backstopjs:latest --build-arg BACKSTOPJS_VERSION=$PV docker

node_modules/backstopjs/.github/workflows/npm-push.yml

@@ -0,0 +1,38 @@
+name: 📦 NPM Push
+
+on:
+  workflow_dispatch:
+  workflow_call:
+
+permissions:
+  actions: write
+  checks: write
+  contents: write
+  pull-requests: write
+  packages: write
+  
+env:
+  BRANCH_NAME: ${{ github.event.pull_request.head.sha || github.head_ref || github.ref_name }}
+  NODE_VERSION: 20
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    steps: 
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 1
+          ref: ${{ github.event.pull_request.head.sha || github.ref }}
+          
+      - name: Setup Node & Cache
+        uses: actions/setup-node@v4
+        with:
+          cache: "npm"
+          cache-dependency-path: package-lock.json
+      
+      - run: npm ci
+      
+      - uses: JS-DevTools/npm-publish@v3
+        with:
+          token: ${{ secrets.NPM_I2_TOKEN }}

node_modules/backstopjs/.github/workflows/test-build-pub-npm-dockerhub.yml

@@ -0,0 +1,29 @@
+name: Test build & publish npm + docker
+
+on:
+  workflow_dispatch:
+        
+permissions:
+  actions: write
+  checks: write
+  contents: write
+  pull-requests: write
+  packages: write
+
+env:
+  NODE_VERSION: 20
+
+jobs:
+  test-push-npm-dockerhub:
+    runs-on: ubuntu-latest
+    
+    steps:
+      - run: echo "start workflow"
+      
+      - name: Checkout
+        uses: actions/checkout@v2
+      
+      - name: reference test
+        uses: ./.github/actions/backstop-reference-test.yml
+
+