[openjfx12] RFR : 8214508 : [TestBug] [Canvas] Add missing test image.

[Ambarish Rapte]

Hi,

Please review this correction fix,

Webrev: http://cr.openjdk.java.net/~arapte/fx/8204060/8214508/webrev.00/

JBS: https://bugs.openjdk.java.net/browse/JDK-8214508

 

Regards,

Ambarish