There are 2 repositories under graphql-testing topic.
Supercharged End 2 End Testing Framework for NodeJS
Minimal client-side GraphQL testing tool
A Simple Apollo GraphQL Server with Mocks and Tests
:school: GraphQL API gateway testing workshop
A collection of custom commands for end-to-end GraphQL testing
An API testing tool for GraphQL, leveraging code generation based on your schema and operations
GraphQL API Test framework using TypeScript supertest library and mocha framework
GraphQL API Test framework using TypeScript supertest library and mocha framework
:books: Apollo-Client query component testing