Google\Cloud\Tests\GrpcRequestWrapperTest::responseProvider PHP Method

    public function responseProvider()
    {
        $expectedMessage = ['successful' => 'request'];
        $message = $this->prophesize(Message::class);
        $message->serialize(Argument::any())->willReturn($expectedMessage);
        $pagedMessage = $this->prophesize(PagedListResponse::class);
        $page = $this->prophesize(Page::class);
        $page->getResponseObject()->willReturn($message->reveal());
        $pagedMessage->getPage()->willReturn($page->reveal());
        return [[$message->reveal(), $expectedMessage], [$pagedMessage->reveal(), $expectedMessage], [null, null]];
    }