Add transforms with calc values

[topaxi]

Firefox and Edge do not seem to support calc() values in some transforms.

I'm not sure if I should put these into a separate test or into the calc tests and if I should cover every transform function.

[Zefling]

It's okay for me :

• Bug 1317354 - CSS variables are not resolved in functions nested in calc(), such as transform() or rgba()
• Bug 1308785 - Support calc() in transform: scale() and rotate()

[LeaVerou]

This looks like it should be under calc(), not under transforms…

[topaxi]

Moved it under transforms

[LeaVerou]

Do we really need all of these? Are there browsers that support calc() in one transform but not another?

[topaxi]

One might probably be enough, I just picked all transforms that don't work with calc() in Firefox < 57

[LeaVerou]

The score for each browser is determined based on the ratio of passed tests / total tests, so having more tests than needed does affect the browser score more than is merited.

[topaxi]

That makes sense, I've updated the PR to only include one failing transform with calc()

[LeaVerou]

Thanks, merged!