fix pullpaymentcapable test

test/PullPaymentCapableExample.sol → contracts/examples/PullPaymentCapableExample.sol

-import '../contracts/PullPaymentCapable.sol';
+import '../PullPaymentCapable.sol';
 
 // Example class using PullPaymentCapable
 contract PullPaymentCapableExample is PullPaymentCapable {

test/PullPaymentCapable.js

 contract('PullPaymentCapable', function(accounts) {
 
   it("can't call asyncSend externally", function(done) {
-    var ppc = PullPaymentCapable.new();
+    var ppc;
+    return PullPaymentCapableExample.new()
+      .then(function(ppc) {
         assert.isUndefined(ppc.asyncSend);
-    done();
+      })
+      .then(done);
   });
 
   it("can record an async payment correctly", function(done) {
     var ppce;
-    var AMOUNT = 1000;
+    var AMOUNT = 100;
     return PullPaymentCapableExample.new()
       .then(function(_ppce) {
         ppce = _ppce;