Don't require getPropertyCSSValue in fast tests

LayoutTests/fast/dom/script-tests/non-numeric-values-numeric-parameters.js

Index: LayoutTests/fast/dom/script-tests/non-numeric-values-numeric-parameters.js
diff --git a/LayoutTests/fast/dom/script-tests/non-numeric-values-numeric-parameters.js b/LayoutTests/fast/dom/script-tests/non-numeric-values-numeric-parameters.js
index 946afc31b98ab9fc82ed762baecb90f14b61da1b..bfff404e708d8c66974e6a04546da072ad180768 100644
--- a/LayoutTests/fast/dom/script-tests/non-numeric-values-numeric-parameters.js
+++ b/LayoutTests/fast/dom/script-tests/non-numeric-values-numeric-parameters.js
@@ -133,12 +133,6 @@ function createCSSMediaRule()
     return rule;
 }
 
-function createCSSValueList()
-{
-    // FIXME: Not working in Firefox, not sure why.
-    return createFromMarkup("<style>a { font-family: b, c }</style>").sheet.cssRules.item(0).style.getPropertyCSSValue("font-family");
-}
-
 function createMediaList()
 {
     return createCSSMediaRule().media;
@@ -208,10 +202,6 @@ shouldBe("nonNumericPolicy('createCSSStyleSheet().deleteRule(x)')", "'any type a
 shouldBe("nonNumericPolicy('createCSSStyleSheet().addRule(selector, styleText, x)')", "'any type allowed'");
 shouldBe("nonNumericPolicy('createCSSStyleSheet().removeRule(x)')", "'any type allowed'");
 
-// CSSValueList
-
-shouldBe("nonNumericPolicy('createCSSValueList().item(x)')", "'any type allowed (but not omitted)'");
-
 // Document
 
 shouldBe("nonNumericPolicy('document.elementFromPoint(x, 0)')", "'any type allowed'");