Fix Transforms incorrect tests

According to [CSS Transforms](http://dev.w3.org/csswg/css3-transforms/), transform-origin property has three-value syntax, but transform-origin property and perspective-origin property don't have four-value syntax.
>Name: transform-origin
>Value:  [ \<percentage\> | \<length\> | left | center | right | top | bottom ] | [ [ \<percentage\> | \<length\> | left | center | right ] && [ \<percentage\> | \<length\> | top | center | bottom ] ] \<length\>?

http://dev.w3.org/csswg/css3-transforms/#transform-origin-property

>Name: perspective-origin
>Value:  [ \<percentage\> | \<length\> | left | center | right | top | bottom ] | [ [ \<percentage\> | \<length\> | left | center | right ] && [ \<percentage\> | \<length\> | top | center | bottom ] ]

http://dev.w3.org/csswg/css3-transforms/#perspective-origin-property