Fix transformIgnorePatterns example (#3136)
Fix transformIgnorePatterns example (#3136)

Without the slash at the end `react-native-button` is still being ignored for some reason.
cpojer/jest,cpojer/jest,cpojer/jest,bookman25/jest,mpontus/jest,skovhus/jest,facebook/jest,skovhus/jest,ide/jest,ide/jest,bookman25/jest,ide/jest,mpontus/jest,facebook/jest,bookman25/jest,facebook/jest,skovhus/jest,mpontus/jest