yarn test yarn run v1.2.1 warning ../../package.json: No license field $ node node_modules/jest/bin/jest.js --watch module.js:473 throw err; ^ Error: Cannot find module ‘/Users/manfredneustifter/react-native-graphql/subscriptions-with-expo-and-apollo-chat/node_modules/jest/bin/jest.js’ at Function.Module._resolveFilename (module.js52715) at Function.Module._load (module.js45325) at Function.Module.runMain (module.js66510) at startup (bootstrap_node.js18716)