Fix incorrect test_random_computed_value_has_fixed

We expect the fixed value to be less than (not equal to) 1.

assert_{greater_than_equal|less_than} expects the actual value to
be given as a number rather than a string

Author: Calme1709

css/css-values/random-computed.tentative.html

@@ -164,8 +164,8 @@
       let [fixedString, fixedValue] = fixedComponent.split(' ');
 
       assert_equals(fixedString, 'fixed', specified);
-      assert_greater_than_equal(parseFloat(fixedValue), '0', specified);
-      assert_less_than_equal(parseFloat(fixedValue), '1', specified);
+      assert_greater_than_equal(parseFloat(fixedValue), 0, specified);
+      assert_less_than(parseFloat(fixedValue), 1, specified);
       assert_equals(minComponent, minPercentage, specified);
       assert_equals(maxComponent, maxPercentage, specified);
     }