use ios test

Author: longbai

.travis.yml

@@ -16,7 +16,7 @@ before_script:
   - export QINIU_TEST_ENV="travis"
 
 script:
-  - xcodebuild test -workspace QiniuSDK.xcworkspace -scheme QiniuSDK_iOS -configuration Release -destination 'platform=iOS Simulator,OS=11.0,name=iPhone SE'
+  - xcodebuild test -workspace QiniuSDK.xcworkspace -scheme QiniuSDK_iOS -configuration Release -destination 'platform=iOS Simulator,OS=11.0,name=iPhone SE' -enableCodeCoverage YES
   - xcodebuild test -workspace QiniuSDK.xcworkspace -scheme QiniuSDK_Mac -configuration Release -destination 'platform=macOS,arch=x86_64'
 
 after_success:

QiniuSDK.xcodeproj/xcshareddata/xcschemes/QiniuSDK_Mac.xcscheme

@@ -27,8 +27,7 @@
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
       language = ""
-      shouldUseLaunchSchemeArgsEnv = "YES"
-      codeCoverageEnabled = "YES">
+      shouldUseLaunchSchemeArgsEnv = "YES">
       <Testables>
          <TestableReference
             skipped = "NO">