keys, err := c.Apply(gateway)
	g.Expect(err).To(BeNil())

	file := c.GetFileFor(keys[0])
	by, err := os.ReadFile(file)
	g.Expect(err).To(BeNil())
	g.Expect(strings.TrimSpace(string(by))).To(Equal(strings.TrimSpace(gateway)))

	keys, err = c.Apply(updatedGateway)
	g.Expect(err).To(BeNil())
	file = c.GetFileFor(keys[0])
	by, err = os.ReadFile(file)
	g.Expect(err).To(BeNil())

		if err := c.deleteFile(s.file); err != nil {
			return err
		}
	}

	c.resources = make(map[CacheKey]*resourceState)

	return nil
}

// GetFileFor returns the file that keeps the on-disk state for the given key.
func (c *Cache) GetFileFor(k CacheKey) string {
	c.mu.Lock()
	defer c.mu.Unlock()

	state, found := c.resources[k]
	if !found {
		return ""
	}
	return state.file
}