/** @test */
public function itShouldBeTraversable()
{
$resources = [$r1 = $this->mockResource(), $r2 = $this->mockResource(), $r3 = $this->mockResource()];
$c = new Collection($resources);
$ret = [];
foreach ($c as $i => $res) {
$this->assertSame($i, $c->key());
$ret[] = $res;
}
$this->assertSame($resources, $ret);
}
