Update the Travis-CI to use Catalina and enable macOS test case

Author: dreampiggy

.travis.yml

@@ -1,5 +1,5 @@
 language: swift
-osx_image: xcode11.3
+osx_image: xcode11.4
 
 env:
   global:
@@ -43,13 +43,12 @@ script:
   - echo Run the tests
   - xcodebuild clean test -project SDWebImageSwiftUI.xcodeproj -scheme 'SDWebImageSwiftUITests' -destination 'name=iPhone 11 Pro Max' -configuration Debug | xcpretty -c
   - mv ~/Library/Developer/Xcode/DerivedData/ ./DerivedData/iOS
-  # Catalina
-  # - xcodebuild clean test -project SDWebImageSwiftUI.xcodeproj -scheme 'SDWebImageSwiftUITests macOS' -destination 'platform=macOS,arch=x86_64' -configuration Debug | xcpretty -c
-  # - mv ~/Library/Developer/Xcode/DerivedData/ ./DerivedData/macOS 
+  - xcodebuild clean test -project SDWebImageSwiftUI.xcodeproj -scheme 'SDWebImageSwiftUITests macOS' -destination 'platform=macOS,arch=x86_64' -configuration Debug | xcpretty -c
+  - mv ~/Library/Developer/Xcode/DerivedData/ ./DerivedData/macOS 
   - xcodebuild clean test -project SDWebImageSwiftUI.xcodeproj -scheme 'SDWebImageSwiftUITests tvOS' -destination 'platform=tvOS Simulator,name=Apple TV' -configuration Debug | xcpretty -c
   - mv ~/Library/Developer/Xcode/DerivedData/ ./DerivedData/tvOS
 
 after_success:
-  # - bash <(curl -s https://codecov.io/bash) -D './DerivedData/macOS' -J '^SDWebImageSwiftUI$' -F macos
   - bash <(curl -s https://codecov.io/bash) -D './DerivedData/iOS' -J '^SDWebImageSwiftUI$' -F ios
+  - bash <(curl -s https://codecov.io/bash) -D './DerivedData/macOS' -J '^SDWebImageSwiftUI$' -F macos
   - bash <(curl -s https://codecov.io/bash) -D './DerivedData/tvOS' -J '^SDWebImageSwiftUI$'-F tvos