Parsing lab is still wrong

[mazznoer]

From https://www.w3.org/TR/css-color-4/#predefined-xyz, these are exactly equivalent:

#7654CD
rgb(46.27% 32.94% 80.39%)
lab(44.36% 36.05 -58.99)

But the test is fails for lab.

csscolorparser-rs/tests/parser.rs

Lines 47 to 64 in a213f2b

	let test_data = [
	("transparent", "rgb(0,0,0,0%)"),
	("#FF9900", "#f90"),
	("#aabbccdd", "#ABCD"),
	("#BAD455", "BAD455"),
	("rgb(0 255 127 / 75%)", "rgb(0,255,127,0.75)"),
	("hwb(180 0% 60%)", "hwb(180,0%,60%)"),
	("hwb(290 30% 0%)", "hwb(290 0.3 0)"),
	("hsl(180,50%,27%)", "hsl(180,0.5,0.27)"),
	("rgb(255, 165, 0)", "hsl(38.824 100% 50%)"),
	("#7654CD", "rgb(46.27% 32.94% 80.39%)"),
	//#[cfg(feature = "lab")]
	//("#7654CD", "lab(44.36% 36.05 -58.99)"),
	];
	for (a, b) in test_data {
	assert_eq!(parse(a).unwrap().to_rgba8(), parse(b).unwrap().to_rgba8());
	}