[css-color-4][editorial] More wpt for color interpolation

css-color-4/Overview.bs

@@ -4575,6 +4575,22 @@ Color Space for Interpolation</h3>
 	</wpt>
 
 	<wpt pathprefix="css/css-images/">
+		gradients-with-transparent.html
+		gradient/gradient-eval-001.html
+		gradient/gradient-eval-002.html
+		gradient/gradient-eval-003.html
+		gradient/gradient-eval-004.html
+		gradient/gradient-eval-005.html
+		gradient/gradient-eval-006.html
+		gradient/gradient-eval-007.html
+		gradient/gradient-eval-008.html
+		gradient/gradient-eval-009.html
+		gradient/gradient-none-interpolation.html
+		gradient/legacy-color-gradient.html
+		gradient/oklab-gradient.html
+		gradient/srgb-gradient.html
+		gradient/srgb-linear-gradient.html
+		gradient/xyz-gradient.html
 		parsing/gradient-interpolation-method-valid.html
 		parsing/gradient-interpolation-method-invalid.html
 		parsing/gradient-interpolation-method-computed.html