React\Promise\FunctionMapTest::shouldPreserveTheOrderOfArrayWhenResolvingAsyncPromises PHP Method

    public function shouldPreserveTheOrderOfArrayWhenResolvingAsyncPromises()
    {
        $mock = $this->createCallableMock();
        $mock->expects($this->once())->method('__invoke')->with($this->identicalTo([2, 4, 6]));
        $deferred = new Deferred();
        map([resolve(1), $deferred->promise(), resolve(3)], $this->mapper())->then($mock);
        $deferred->resolve(2);
    }