4.6.0 and newer does not let me spy using vitest.

[torgesla]

Bug description

Hi, I'm facing issues in regards to mocking return value when spying on a prisma client. The issue started from Prisma version 4.6.0, and it is still present in 4.7.0. I've attached a minimal reproduction repo for the issue. After 4.6.0, after mocking return value for an initialised prisma client, it still modifies the actual database.

https://github.com/torgesla/prisma-vitest-4.6.0-bug

How to reproduce

1. Clone https://github.com/torgesla/prisma-vitest-4.6.0-bug
2. Run "npx vitest", see error
3. Change prisma and prisma/client versions to "~4.5.0"
4. Run "npx vitest", see no error

Expected behavior

I expect to be able to spy on and mock return value of prisma client as it worked before v4.6.0 was released.

Prisma information

datasource db {
  provider = "postgresql"
  url      = "postgresql://postgres@localhost:5432/minimal"
}

generator client {
  provider = "prisma-client-js"
}

model Model {
  id   String @id @default(uuid())
  name String
}

import { Model, PrismaClient } from "@prisma/client";
import { it, vi, expect } from "vitest";

const exampleModel: Model = {
  id: "exampleId",
  name: "exampleName",
};
const createData = { name: "FormName" };
const expectedResult: Model = { ...exampleModel, ...createData };

const prisma = new PrismaClient();

vi.spyOn(prisma.model, "create").mockResolvedValue(expectedResult);

it("returns the supplied input data and the generated fields for successfully created Model entry", async () => {
  const result = await prisma.model.create({ data: createData });
  expect(result).toMatchObject(expectedResult);
});

Environment & setup

• OS: macOS
• Database: PostgreSQL 14.3
• Node.js version: 16.14.0

Prisma Version

4.7.0