[css-color-5][editorial] Add some WPT #11733

Author: svgeesus

css-color-5/Overview.bs

@@ -284,6 +284,7 @@ After normalizing both percentages, the result is produced via the following alg
 
 <wpt>
 	color-mix-basic-001.html
+	color-mix-missing-components.html
 	color-mix-non-srgb-001.html
 	parsing/color-computed-color-mix-function.html
 	parsing/color-invalid-color-mix-function.html
@@ -2589,6 +2590,7 @@ or any other color or monochrome output device which has been characterized.
 		light-dark-currentcolor.html
 		light-dark-inheritance.html
 		light-dark-currentcolor-in-color.html
+		/css/css-pseudo/highlight-styling-004.html
 	</wpt>
 
 <h2 id="contrast-color">
@@ -3841,4 +3843,7 @@ This specification adds a way to ensure adequate contrast for text whose backgro
 			color-layers-no-blend-mode.html
 			parsing/color-invalid-color-layers-function.html
 			parsing/color-valid-color-layers-function.html
+			parsing/color-computed-contrast-color-function.html
+			parsing/color-invalid-contrast-color-function.html
+			parsing/color-valid-contrast-color-function.html
 		</wpt>