public function testApiMap_MapsPrimitiveInputValues_WhenMapperReturnsPromise()
{
$test = $this->getTest();
$mock = $test->createCallableMock();
$mock->expects($test->once())->method('__invoke')->with($test->identicalTo([2, 4, 6]));
Promise::map([1, 2, 3], $this->promiseMapper())->then($mock);
}