restore build stages after travis on mac is fixed

.travis.yml

@@ -16,7 +16,19 @@ stages:
 matrix:
   include:
   - stage: test
-    name: Mac OS
+    name: Check dependencies up-to-date, Lint
+    env: CACHE_NAME=iOS
+    script:
+        - bundle exec pod update --project-directory=Example
+        - git diff --exit-code # Outdated Cocoapods dependencies found, please run 'pod update' and checkin changes
+        - bundle update
+        - git diff --exit-code # Outdated Bundle dependencies found, please run 'bundle update' and checkin changes
+        - bundle exec pod lib lint || bundle exec pod lib lint --verbose --no-clean
+  - name: With coverage report
+    env: XCODE_DESNITATION='platform=iOS Simulator,name=iPhone X' CACHE_NAME=iOS
+    after_success:
+      - bash <(curl -s 'https://codecov.io/bash') -Z -J '^PerspectiveTransform$' -X gcov -X fix
+  - name: Mac OS
     xcode_scheme: OpenCV Tests
     env: XCODE_DESNITATION='platform=macos' CACHE_NAME=macOS
     before_script: ./Example/OpenCV-OSX-Tests/install-opencv.sh
@@ -86,6 +98,8 @@ script:
   - set -o pipefail && xcodebuild test -workspace "$TRAVIS_XCODE_WORKSPACE" -scheme "$TRAVIS_XCODE_SCHEME" -destination "$XCODE_DESNITATION" | bundle exec xcpretty -f `bundle exec xcpretty-travis-formatter`
 env:
   - XCODE_DESNITATION='platform=iOS Simulator,name=iPhone SE' CACHE_NAME=iOS
+  - XCODE_DESNITATION='platform=iOS Simulator,name=iPhone 8 Plus' CACHE_NAME=iOS
+  - XCODE_DESNITATION='platform=iOS Simulator,name=iPhone 8' CACHE_NAME=iOS
 branches:
   except:
   - circleci