trying to fix Travis

Author: FesenkoG

.travis.yml

@@ -5,7 +5,7 @@ xcode_scheme: web3swift-iOS
 xcode_destination: platform=iOS Simulator, OS=12.0, name=iPhone X
 before_install:
   - gem install cocoapods --pre --no-rdoc --no-ri --no-document --quiet
-  - pod install
+  - pod install --repo-update
 script:
   - xcodebuild -scheme web3swift-iOS -workspace web3swift.xcworkspace -sdk iphonesimulator build test
 after_success: