chore: add CI jobs for visual tests

Author: web-padawan

.github/workflows/lumo.yml

@@ -0,0 +1,35 @@
+name: Lumo
+
+on: pull_request
+
+jobs:
+  tests:
+    name: Visual tests
+    runs-on: ubuntu-latest
+    if: github.repository_owner == 'vaadin'
+
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          fetch-depth: "0"
+
+      - name: Setup Node 14.x
+        uses: actions/setup-node@v2
+        with:
+          node-version: 14.x
+
+      - uses: actions/cache@v2
+        with:
+          path: |
+            node_modules
+            */*/node_modules
+          key: ${{ runner.os }}-${{ hashFiles('**/yarn.lock') }}
+
+      - name: Install Dependencies
+        run: yarn --frozen-lockfile --no-progress --non-interactive
+
+      - name: Visual tests
+        env:
+          SAUCE_USERNAME: ${{ secrets.SAUCE_USERNAME }}
+          SAUCE_ACCESS_KEY: ${{ secrets.SAUCE_ACCESS_KEY }}
+        run: yarn test:lumo

.github/workflows/material.yml

@@ -0,0 +1,35 @@
+name: Material
+
+on: pull_request
+
+jobs:
+  tests:
+    name: Visual tests
+    runs-on: ubuntu-latest
+    if: github.repository_owner == 'vaadin'
+
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          fetch-depth: "0"
+
+      - name: Setup Node 14.x
+        uses: actions/setup-node@v2
+        with:
+          node-version: 14.x
+
+      - uses: actions/cache@v2
+        with:
+          path: |
+            node_modules
+            */*/node_modules
+          key: ${{ runner.os }}-${{ hashFiles('**/yarn.lock') }}
+
+      - name: Install Dependencies
+        run: yarn --frozen-lockfile --no-progress --non-interactive
+
+      - name: Visual tests
+        env:
+          SAUCE_USERNAME: ${{ secrets.SAUCE_USERNAME }}
+          SAUCE_ACCESS_KEY: ${{ secrets.SAUCE_ACCESS_KEY }}
+        run: yarn test:material

package.json

@@ -26,11 +26,11 @@
     "preversion": "node scripts/updateVersion.js",
     "test": "web-test-runner --coverage",
     "test:firefox": "web-test-runner --config web-test-runner-firefox.config.js",
-    "test-lumo": "web-test-runner --config web-test-runner-lumo.config.js",
-    "test-material": "web-test-runner --config web-test-runner-material.config.js",
+    "test:lumo": "web-test-runner --config web-test-runner-lumo.config.js",
+    "test:material": "web-test-runner --config web-test-runner-material.config.js",
     "test:webkit": "web-test-runner --config web-test-runner-webkit.config.js",
-    "update-lumo": "TEST_ENV=update web-test-runner --config web-test-runner-lumo.config.js",
-    "update-material": "TEST_ENV=update web-test-runner --config web-test-runner-material.config.js"
+    "update:lumo": "TEST_ENV=update web-test-runner --config web-test-runner-lumo.config.js",
+    "update:material": "TEST_ENV=update web-test-runner --config web-test-runner-material.config.js"
   },
   "devDependencies": {
     "@vaadin/testing-helpers": "^0.1.3",