put travis_retry in the then part of the if command

Author: wangjoshuah

.travis.yml

@@ -11,8 +11,8 @@ env:
     - SCHEME=OptimizelySDKiOS TEST_SDK=iphonesimulator PLATFORM='iOS Simulator' OS=10.1 NAME='iPhone 7'
     - SCHEME=OptimizelySDKTVOS TEST_SDK=appletvsimulator PLATFORM='tvOS Simulator' OS=9.2 NAME='Apple TV 1080p'
 script:
-  - travis_retry if [[ "$TRAVIS_BRANCH" == "devel" ]]; then xcodebuild test -workspace OptimizelySDK.xcworkspace -scheme $SCHEME -configuration Debug CODE_SIGN_IDENTITY="" CODE_SIGNING_REQUIRED=NO -sdk $TEST_SDK -destination "platform=$PLATFORM,OS=$OS,name=$NAME"; fi
-  - travis_retry if [[ "$TRAVIS_BRANCH" == "master" ]]; then xcodebuild test -workspace OptimizelySDK.xcworkspace -scheme $SCHEME -configuration Release CODE_SIGN_IDENTITY="" CODE_SIGNING_REQUIRED=NO -sdk $TEST_SDK -destination "platform=$PLATFORM,OS=$OS,name=$NAME"; fi
+  - if [[ "$TRAVIS_BRANCH" == "devel" ]]; then travis_retry xcodebuild test -workspace OptimizelySDK.xcworkspace -scheme $SCHEME -configuration Debug CODE_SIGN_IDENTITY="" CODE_SIGNING_REQUIRED=NO -sdk $TEST_SDK -destination "platform=$PLATFORM,OS=$OS,name=$NAME"; fi
+  - if [[ "$TRAVIS_BRANCH" == "master" ]]; then travis_retry xcodebuild test -workspace OptimizelySDK.xcworkspace -scheme $SCHEME -configuration Release CODE_SIGN_IDENTITY="" CODE_SIGNING_REQUIRED=NO -sdk $TEST_SDK -destination "platform=$PLATFORM,OS=$OS,name=$NAME"; fi
 after_success:
   - sleep 5 # https://github.com/travis-ci/travis-ci/issues/4725