Ignore errors in the usage scenario

cypress-io/cypress-docker-images#747

appveyor.yml

@@ -11,7 +11,6 @@ cache:
   - '%USERPROFILE%\AppData\Local\Cypress\Cache'
 build_script:
   - npm run build
-  - docker compose up --build --abort-on-container-exit --exit-code-from cypress
 test_script:
   - npm run test-record
   - npm run codecov

cypress/plugins/index.js

@@ -14,4 +14,4 @@
 module.exports = (on, config) => {
   // `on` is used to hook into various events Cypress emits
   // `config` is the resolved Cypress config
-}
+};

docker-compose.yml

@@ -14,4 +14,4 @@ services:
       - web
     environment:
       - CYPRESS_baseUrl=http://web:3000
-    command: cypress run --config video=false --browser chrome --headed
+    command: cypress run --config video=false

usage_scenario.yml

@@ -25,6 +25,10 @@ flow:
     container: cypress
     commands:
       - type: console
-        command: cypress run --config video=false --browser chrome --headed
+        command: cypress run --config video=false --browser chrome --headless
         detach: true
         note: Running cypress tests against website
+        # The cypress docker image has an open issue and writes some stuff to stdErr,
+        # which causes a failure even with a 0 exit code
+        # https://github.com/cypress-io/cypress-docker-images/issues/747
+        ignore-errors: true