refactor(percy): run pixel tests on live otp2 server

.github/workflows/percy otp2.yml

@@ -0,0 +1,33 @@
+name: Percy OTP2
+
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+
+jobs:
+  test-build-release:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          # This allows us to work with the repository during the lint step
+          fetch-depth: 2
+      - name: Use Node.js 16.x
+        uses: actions/setup-node@v1
+        with:
+          node-version: 16.x
+      - name: Install npm packages using cache
+        uses: bahmutov/npm-install@v1
+      - name: Download OTP2 config file
+        run: curl $PERCY_OTP2_CONFIG_URL --output /tmp/otp2config.yml
+        env:
+          PERCY_OTP2_CONFIG_URL: ${{ secrets.PERCY_OTP2_CONFIG_URL }}
+      - name: Take Percy Snapshots
+        # Move everything from latest commit back to staged
+        run: npx percy exec -- npx jest percy/percy.test.js --force-exit
+        env:
+          PERCY_TOKEN: ${{ secrets.PERCY_TOKEN }}
+          PERCY_OTP_CONFIG_OVERRIDE: /tmp/otp2config.yml

percy/percy.test.js

@@ -54,7 +54,9 @@ beforeAll(async () => {
     ])
 
     // grab ATL har file to tmp
-    await execa('curl', [process.env.HAR_URL, '-s', '--output', 'mock.har'])
+    if (process.env.HAR_URL) {
+      await execa('curl', [process.env.HAR_URL, '-s', '--output', 'mock.har'])
+    }
   } catch (error) {
     console.log(error)
   }
@@ -66,9 +68,11 @@ beforeAll(async () => {
     }).stdout.pipe(process.stdout)
 
     // Launch mock OTP server
-    execa('yarn', ['percy-har-express', '-p', '9999', 'mock.har'], {
-      signal: harAbortController.signal
-    }).stdout.pipe(process.stdout)
+    if (process.env.HAR_URL) {
+      execa('yarn', ['percy-har-express', '-p', '9999', 'mock.har'], {
+        signal: harAbortController.signal
+      }).stdout.pipe(process.stdout)
+    }
 
     // Web security is disabled to allow requests to the mock OTP server
     browser = await puppeteer.launch({