public function testConvertFrom()
 {
     $this->mediaGalleryEntryMock->expects($this->once())->method('getId')->willReturn('4');
     $this->mediaGalleryEntryMock->expects($this->once())->method('getFile')->willReturn('/i/n/index111111.jpg');
     $this->mediaGalleryEntryMock->expects($this->once())->method('getLabel')->willReturn('Some Label');
     $this->mediaGalleryEntryMock->expects($this->once())->method('getPosition')->willReturn('3');
     $this->mediaGalleryEntryMock->expects($this->once())->method('isDisabled')->willReturn('0');
     $this->mediaGalleryEntryMock->expects($this->once())->method('getTypes')->willReturn([]);
     $this->mediaGalleryEntryMock->expects($this->once())->method('getContent')->willReturn(null);
     $this->mediaGalleryEntryMock->expects($this->once())->method('getExtensionAttributes')->willReturn($this->mediaGalleryEntryExtensionMock);
     $videoContentMock = $this->getMock('Magento\\ProductVideo\\Model\\Product\\Attribute\\Media\\VideoEntry', [], [], '', false);
     $videoContentMock->expects($this->once())->method('getVideoProvider')->willReturn('youtube');
     $videoContentMock->expects($this->once())->method('getVideoUrl')->willReturn('https://www.youtube.com/watch?v=abcdefghij');
     $videoContentMock->expects($this->once())->method('getVideoTitle')->willReturn('Some video title');
     $videoContentMock->expects($this->once())->method('getVideoDescription')->willReturn('Some video description');
     $videoContentMock->expects($this->once())->method('getVideoMetadata')->willReturn('Meta data');
     $this->mediaGalleryEntryExtensionMock->expects($this->once())->method('getVideoContent')->willReturn($videoContentMock);
     $expectedResult = ['value_id' => '4', 'file' => '/i/n/index111111.jpg', 'label' => 'Some Label', 'position' => '3', 'disabled' => '0', 'types' => [], 'media_type' => null, 'content' => null, 'video_provider' => 'youtube', 'video_url' => 'https://www.youtube.com/watch?v=abcdefghij', 'video_title' => 'Some video title', 'video_description' => 'Some video description', 'video_metadata' => 'Meta data'];
     $result = $this->modelObject->convertFrom($this->mediaGalleryEntryMock);
     $this->assertEquals($expectedResult, $result);
 }