Jasmine Tests: Using Transactions with ObjectionJS

ObjectionJsTransactionsInJasmine.js

 it("can use a transaction for the current test and roll it back after", async function () {
    const transactionForThisTest = await MyObjectionJsModel.startTransaction();
    spyOn(MyObjectionJsModel, "query")
      .withArgs()
      .and.callFake(() => MyObjectionJsModel.query(transactionForThisTest) as any)
      .withArgs(transactionForThisTest)
      .and.callThrough();

    const result = await someMethodThatChangesTheDatabaseState();

    expect(result).toEqual(1);

    await transactionForThisTest.rollback();
  });