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                <?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                namespace Tests\Collection;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use PHPUnit\Framework\TestCase;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use TrelloCycleTime\Collection\HistoryCards;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use TrelloCycleTime\Collection\TimeCards;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use TrelloCycleTime\ValueObject\HistoryCard;  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                class TimeCardsTest extends TestCase  | 
            
            
                                                                        
                            
            
                                    
            
            
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                { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function testCreateCollectionWithNoData()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $historyCards = $this->prophesize(HistoryCards::class);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $historyCards->getCardHistories()->willReturn([]);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $timeCards = new TimeCards();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $timeCards = $timeCards->getFromHistoryCards($historyCards->reveal());  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->assertEquals([], $timeCards);  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                    }  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    public function testCreateCollection()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $id = 1;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $title = 'cardTitle';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $from = 'from';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $to = 'to';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $historyCard = $this->prophesize(HistoryCard::class);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $historyCard->getId()->willReturn($id);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $historyCard->getTitle()->willReturn($title);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $historyCard->getFrom()->willReturn($from);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $historyCard->getTo()->willReturn($to);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $historyCards = $this->prophesize(HistoryCards::class);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $historyCards->getCardHistories()->willReturn([$historyCard->reveal()]);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $timeCards = new TimeCards();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $timeCards = $timeCards->getFromHistoryCards($historyCards->reveal());  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->assertCount(1, $timeCards);  | 
            
                            
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                        $this->assertEquals($id, $timeCards[0]->getId());  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->assertEquals($title, $timeCards[0]->getTitle());  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->assertEquals([], $timeCards[0]->getCycleTimes());  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                    }  | 
            
            
                                                        
            
                                    
            
            
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                }  | 
            
            
                        
It seems like the type of the argument is not accepted by the function/method which you are calling.
In some cases, in particular if PHP’s automatic type-juggling kicks in this might be fine. In other cases, however this might be a bug.
We suggest to add an explicit type cast like in the following example: