chore: typo

Author: crisbeto

src/lib/select/select.spec.ts

@@ -2934,7 +2934,7 @@ describe('MdSelect', () => {
 
     it('should not scroll to options that are completely in the view', fakeAsync(() => {
       // Note that some browsers will start the panel off at close to 1px.
-      expect(panel.scrollTo).toBeLessThan(2, 'Expected panel not to be scrolled.');
+      expect(panel.scrollTop).toBeLessThan(2, 'Expected panel not to be scrolled.');
 
       [1, 2, 3].forEach(() => {
         dispatchKeyboardEvent(host, 'keydown', DOWN_ARROW);