Add test image, taken from WikiMedia.

The image was downloaded from:
 - https://upload.wikimedia.org/wikipedia/commons/thumb/e/ed/Books_%287003021898%29.jpg/800px-Books_%287003021898%29.jpg

License:
 - This file is licensed under the Creative Commons Attribution 2.0 Generic license
Add test image, taken from WikiMedia.

The image was downloaded from:
 - https://upload.wikimedia.org/wikipedia/commons/thumb/7/7b/Rooftop_Bar%2C_Metropolitan_Museum_Of_Art_%285894065780%29.jpg/800px-Rooftop_Bar%2C_Metropolitan_Museum_Of_Art_%285894065780%29.jpg

License:
 - This file is licensed under the Creative Commons Attribution 2.0 Generic license.
Add test image, taken from WikiMedia.

The image was downloaded from:
 - https://upload.wikimedia.org/wikipedia/commons/thumb/f/fe/Sunken_Flower_%285896136734%29.jpg/800px-Sunken_Flower_%285896136734%29.jpg

License:
 - This file is licensed under the Creative Commons Attribution 2.0 Generic license
Add test image, taken from WikiMedia.

The image was downloaded from:
 - https://upload.wikimedia.org/wikipedia/commons/e/ea/Hydrangea_-_macro.jpg

License:
 - This file is licensed under the Creative Commons Attribution-Share Alike 2.0 Generic license
Add test image, taken from WikiMedia.

The image was downloaded from:
 - https://upload.wikimedia.org/wikipedia/commons/thumb/c/c2/Lily_stamens.jpg/716px-Lily_stamens.jpg

License:
 - This file is licensed under the Creative Commons Attribution 2.0 Generic license
Add test image, taken from WikiMedia.

The image was downloaded from:
 - https://upload.wikimedia.org/wikipedia/commons/thumb/6/6a/Wrist_watch_cell.jpg/800px-Wrist_watch_cell.jpg

License:
 - This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license
Add fixture to load sample data