Adds espresso testing for add_to_app/android_fullscreen (#323)

.travis.yml

@@ -3,74 +3,95 @@ git:
 
 jobs:
   include:
-    - name: "iOS tests, stable channel"
-      os: osx
-      osx_image: xcode11.2
-      language: objective-c
-      script: ./tool/travis_ios_script.sh
-      env: FLUTTER_VERSION=stable
+  - name: iOS tests, stable channel
+    os: osx
+    osx_image: xcode11.2
+    language: objective-c
+    script: "./tool/travis_ios_script.sh"
+    env: FLUTTER_VERSION=stable
 
-    - name: "Android tests, stable channel"
-      os: linux
-      dist: trusty
-      language: android
-      android:
-        components:
-          - build-tools-28.0.3
-          - android-28
-      script: ./tool/travis_android_script.sh
-      env: FLUTTER_VERSION=stable
+  - name: Android tests, stable channel
+    os: linux
+    dist: trusty
+    language: android
+    android:
+      components:
+      - build-tools-28.0.3
+      - android-28
+    script: "./tool/travis_android_script.sh"
+    env: FLUTTER_VERSION=stable
 
-    - name: "Flutter tests, stable channel"
-      os: linux
-      dist: trusty
-      language: ruby
-      script: ./tool/travis_flutter_script.sh
-      env: FLUTTER_VERSION=stable
+  - name: Flutter tests, stable channel
+    os: linux
+    dist: trusty
+    language: ruby
+    script: "./tool/travis_flutter_script.sh"
+    env: FLUTTER_VERSION=stable
 
-    - name: "iOS tests, beta channel"
-      os: osx
-      osx_image: xcode11.2
-      language: objective-c
-      script: ./tool/travis_ios_script.sh
-      env: FLUTTER_VERSION=beta
+  - name: iOS tests, beta channel
+    os: osx
+    osx_image: xcode11.2
+    language: objective-c
+    script: "./tool/travis_ios_script.sh"
+    env: FLUTTER_VERSION=beta
 
-    - name: "Android tests, beta channel"
-      os: linux
-      dist: trusty
-      language: android
-      android:
-        components:
-          - build-tools-28.0.3
-          - android-28
-      script: ./tool/travis_android_script.sh
-      env: FLUTTER_VERSION=beta
+  - name: Android tests, beta channel
+    os: linux
+    dist: trusty
+    language: android
+    android:
+      components:
+      - build-tools-28.0.3
+      - android-28
+    script: "./tool/travis_android_script.sh"
+    env: FLUTTER_VERSION=beta
 
-    - name: "Flutter tests, beta channel"
-      os: linux
-      dist: trusty
-      language: ruby
-      script: ./tool/travis_flutter_script.sh
-      env: FLUTTER_VERSION=beta
+  - name: Flutter tests, beta channel
+    os: linux
+    dist: trusty
+    language: ruby
+    script: "./tool/travis_flutter_script.sh"
+    env: FLUTTER_VERSION=beta
 
   allow_failures:
-    - env: FLUTTER_VERSION=beta
+  - env: FLUTTER_VERSION=beta
+
+env:
+  global:
+  # Disabling this makes it easier to install our own copy of gcloud
+  - CLOUDSDK_CORE_DISABLE_PROMPTS=1
 
 before_script:
-  - git clone https://github.com/flutter/flutter.git -b $FLUTTER_VERSION
-  - ./flutter/bin/flutter doctor
-  - chmod +x tool/travis_*_script.sh
+- git clone https://github.com/flutter/flutter.git -b $FLUTTER_VERSION
+- "./flutter/bin/flutter doctor"
+- chmod +x tool/travis_*_script.sh
 
 cache:
   cocoapods: true
   directories:
-    - $HOME/shared/.pub-cache
+  - "$HOME/shared/.pub-cache"
+  - "$HOME/google-cloud-sdk"
 
 notifications:
-  email:
-    brogdon+github@gmail.com
+  email: brogdon+github@gmail.com
 
-# Building master alone means that we don't run two builds for
-# each pull request.
 branches:
-  only: [master]
+  only:
+  - master
+
+before_install:
+# Decrypt credentials for Firebase Test Lab service account. This key will only
+# decrypt properly when run from within the flutter/samples repo (not a PR from
+# a fork, for example), so failure is expected in some cases. The Android test
+# script is the only one that uses this value, and will account for a lack of
+# credentials.
+- openssl aes-256-cbc -K $encrypted_ccb0f43ba178_key -iv $encrypted_ccb0f43ba178_iv
+  -in svc-keyfile.json.enc -out svc-keyfile.json -d || rm svc-keyfile.json || true
+- ls -la
+# Install our own copy of gcloud. This is necessary because the default copy is
+# so old it doesn't offer a firebase component.
+- if [ ! -d "$HOME/google-cloud-sdk/bin" ]; then rm -rf "$HOME/google-cloud-sdk";
+  curl https://sdk.cloud.google.com | bash > /dev/null; fi
+- source $HOME/google-cloud-sdk/path.bash.inc
+- gcloud components update
+- gcloud version