public function testThatCacheSupportsArbitraryKeys()
{
$this->cache->save('val-~!@#$%^&*()_+3412-931|\\9rnf2{].>}{P.p[]:"?/,<>ujsdsd', true);
$this->assertTrue($this->cache->contains('val-~!@#$%^&*()_+3412-931|\\9rnf2{].>}{P.p[]:"?/,<>ujsdsd'));
$this->cache->remove('val-~!@#$%^&*()_+3412-931|\\9rnf2{].>}{P.p[]:"?/,<>ujsdsd');
$this->assertFalse($this->cache->contains('val-~!@#$%^&*()_+3412-931|\\9rnf2{].>}{P.p[]:"?/,<>ujsdsd'));
}