1world.graphql

type Person {
  name: String
  accounts: [Account] 
} 
type Account {
  owner: Person! @inverse(of: "Person.accounts")
}

2test.ts

    factory.create("Account", {
      owner: {
        name: "Tom"
      }
    });

    factory.create("Account", {
      owner: {
        name: "Tom"
      }
    });

    const people = [...factory.all("Person")];
    const accounts = [...factory.all("Account")];

    expect(people).toHaveLength(1);
    expect(accounts).toHaveLength(2);