Tests haphazardly fail when using graphql-request and MSW - node.js

Question

I am trying to set up tests to test a Remix loader and noticed that the request function from graphql-request haphazardly fails when using MSW. If I replace this and use a simple fetch for the requests the tests pass.
Is there any configuration I need to change? I have created a sample repo that demonstrates the bug. The bug gets worse the more tests you have that are using the same mocked request.
Sample repo: https://github.com/charklewis/sb9or3
Here is a summary of the code I am using:
//modules/database.server
import { GraphQLClient } from "graphql-request";
const client = new GraphQLClient("http://some-graphql-api.com/api/graphql", {});
export const fetchQuery = async (query: any, variables: any) => {
try {
const response = await client.request(query, variables || {});
return response;
} catch (error) {
return {};
}
};
//routes/index
import type { LoaderFunction } from "remix";
import { json } from "remix";
import { gql } from "graphql-request";
import { fetchQuery } from "~/modules/database.server";
export const loader: LoaderFunction = async () => {
const query = gql`
query MyQuery {
demoQuery {
value
}
}
`;
const response = await fetchQuery(query, {});
return json({ value: response.demoQuery.value });
};
//routes/__tests__/index
import { graphql } from "msw";
import { setupServer } from "msw/node";
import { loader } from "~/routes/index";
const createServer = (handlers: any[] = []) => {
const server = setupServer(...handlers);
beforeAll(() => server.listen({ onUnhandledRequest: "bypass" }));
afterAll(() => server.close());
afterEach(() => server.resetHandlers());
return server;
};
const createDemoQueryHandler = ({ value = true } = {}) => {
return graphql.query("MyQuery", (req, res, ctx) => {
return res(ctx.data({ demoQuery: { value } }));
});
};
createServer([createDemoQueryHandler()]);
test("the loader returns data (round 1)", async () => {
const response = await loader({
request: new Request("/", { method: "GET" }),
params: {},
context: {},
});
const data = await response.json();
expect(data.value).toBe(true);
});
My vitest configuration is:
/// <reference types="vitest" />
/// <reference types="vite/client" />
import { defineConfig } from "vite";
import react from "#vitejs/plugin-react";
import tsconfigPaths from "vite-tsconfig-paths";
export default defineConfig({
plugins: [react(), tsconfigPaths()],
test: {
globals: true,
environment: "jsdom",
setupFiles: "./app/test-utils.ts",
testTimeout: 20000
}
});