Fix some failing tests.

Author: chriseppstein

src/__tests__/classes.js

@@ -37,12 +37,9 @@ test('Less interpolation within a class', '.foo@{bar}', (t, tree) => {
     t.deepEqual(tree.nodes[0].nodes[0].value, 'foo@{bar}');
 });
 
-test('ClassName#set value', (t) => {
-    let out = parse('.fo\\o', (selectors) => {
-        let className = selectors.first.first;
-        t.deepEqual(className.raws, {value: "fo\\o"});
-        className.value = "bar";
-        t.deepEqual(className.raws, {});
-    });
-    t.deepEqual(out, '.bar');
-});
+test('ClassName#set value', ".fo\\o", (t, selectors) => {
+    let className = selectors.first.first;
+    t.deepEqual(className.raws, {value: "fo\\o"});
+    className.value = "bar";
+    t.deepEqual(className.raws, {});
+});

src/selectors/attribute.js

@@ -95,7 +95,7 @@ export default class Attribute extends Namespace {
      *     and the other options specified here. See the `smartQuoteMark()`
      *     method.
      **/
-    quoteValue (options = {}) {
+    getQuotedValue (options = {}) {
         let quoteMark = this._determineQuoteMark(options);
         let cssescopts = CSSESC_QUOTE_OPTIONS[quoteMark];
         let escaped = cssesc(this._value, cssescopts);