test_dummy.swift

func testDummyMethod() {
  let dummyContext = try! DummyContext(configuration: .inMemory(identifier: nil))

  let fooObject = FooObject(context: dummyContext)

  let exp = self.expectation(description: "dummy test")
  fooObject.dummyMethod { (status) in
    XCTAssertEqual(status, false)

    exp.fulfill()
  }

  self.waitForExpectations(timeout: 1, handler: nil)
}