/**
* The memoized callable should relate inputs to outputs in the same
* way as the original underlying callable.
*/
public function testReturnValuePassedThrough() {
/**
* The memoized callable should relate inputs to outputs in the same
* way as the original underlying callable.
*/
public function testReturnValuePassedThrough() {
->setMethods( [ 'computeSomething' ] )->getMock();
$observer->expects( $this->once() )
->method( 'computeSomething' )
->setMethods( [ 'computeSomething' ] )->getMock();
$observer->expects( $this->once() )
->method( 'computeSomething' )