public function testPictureWriterWritesTemplateImage() { $imageToSave = Image::make("./tests/FaceInserterTestData/result.png"); PictureWriter::saveTemplateImage("filename.png", $imageToSave); $retrievedImage = PictureReader::readTemplate("filename.png"); $this->assertInstanceOf(\Intervention\Image\Image::class, $retrievedImage); }