Fix css/css-values/calc-infinity-nan-serialize-length.html

css/css-values/calc-infinity-nan-serialize-length.html incorrectly asserts that
a calc() expression of the form `1 * math-function()` can be simplified to be
just `math-function()`.

Author: weinig

css/css-values/calc-infinity-nan-serialize-length.html

@@ -57,8 +57,8 @@
 
     "1 * min(NaN * 1pt, NaN * 1cm)"                 :"calc(NaN * 1px)",
     "1 * max(NaN * 1cm, NaN * 2Q)"                  :"calc(NaN * 1px)",
-    "1 * min(NaN * 2px, NaN * 4em)"                 :"calc(NaN * 1px)",
-    "1 * clamp(NaN * 2em, NaN * 4px, NaN * 8pt)"    :"clamp(NaN * 1em, NaN * 1px, NaN * 1px)",
+    "1 * min(NaN * 2px, NaN * 4em)"                 :"calc(1 * min(NaN * 1px, NaN * 1em))",
+    "1 * clamp(NaN * 2em, NaN * 4px, NaN * 8pt)"    :"calc(1 * clamp(NaN * 1em, NaN * 1px, NaN * 1px))",
 };
 
 for (var exp in test_map) {