mergeSchemas Bug

const { makeExecutableSchema, mergeSchemas } = require('graphql-tools'); require('graphql') const schemaA = makeExecutableSchema({ typeDefs: ` schema { query: QueryRoot mutation: MutationRoot } type QueryRoot { foo: String! } type MutationRoot { doSomething: DoSomethingPayload! } type DoSomethingPayload { somethingChanged: Boolean! query: QueryRoot! } `, resolvers: {}, }); const schemaB = makeExecutableSchema({ typeDefs: ` schema { query: QueryRoot mutation: MutationRoot } type QueryRoot { bar: String! } type MutationRoot { doSomethingElse: DoSomethingPayload! } type DoSomethingPayload { somethingElseChanged: Boolean! query: QueryRoot! } `, resolvers: {}, }) const schema = mergeSchemas({ schemas: [schemaA, schemaB], })