public function testApiThen_PropagatesRejection_WhenErrbackThrows()
{
$deferred = $this->createDeferred();
$test = $this->getTest();
$exception = new Exception();
$mock1 = $test->createCallableMock();
$mock1->expects($test->once())->method('__invoke')->will($test->throwException($exception));
$mock2 = $test->createCallableMock();
$mock2->expects($test->once())->method('__invoke')->with($test->identicalTo($exception));
$deferred->reject(1);
$deferred->getPromise()->then($test->expectCallableNever(), $mock1)->then($test->expectCallableNever(), $mock2);
}