directly check lastSet value (as opposed to resolving)

Author: mjstahl

resolver/resolver-test.js

@@ -272,8 +272,8 @@ QUnit.test("reading observables does not leak the observable read", function(){
 });
 
 QUnit.test("initial value on lastSet can be set (can-define#397)", function () {
-    var withDefault = new ResolverObservable(function({ lastSet, resolve }) {
-        resolve(lastSet.get());
+    var defaulted = new ResolverObservable(function(props) {
+        QUnit.equal(props.lastSet.get(), 5, "observable has default value");
     }, {}, 5);
-    QUnit.equal(withDefault.get(), 5, "observable has default value");
+    defaulted.get();
 });