func (c context) resizeVol() {
	id := c.instanceID
	err := instances.ResizeVolume(c.client, id, 4).ExtractErr()
	c.AssertNoErr(err)
	c.Logf("Resizing volume of %s. Waiting...", id)
	c.WaitUntilActive(id)
	c.Logf("Resized the volume of %s to %d GB", id, 2)
}
func TestResizeVolume(t *testing.T) {
	th.SetupHTTP()
	defer th.TeardownHTTP()
	HandleResizeVol(t)

	res := instances.ResizeVolume(fake.ServiceClient(), instanceID, 4)
	th.AssertNoErr(t, res.Err)
}