$arguments = $resolver->getArguments($callable);
$this->assertSame([$a1, $a2, $a3], $arguments);
// Test again, but with the arguments in a different order.
$arguments = $resolver->getArguments($callable);
$this->assertSame([$a1, $a2, $a3], $arguments);
// Test again, but with the arguments in a different order.