test(http): add missing flush

test/core_dom/http_spec.dart

@@ -70,12 +70,14 @@ void main() {
       it('should do basic request', async(() {
         backend.expect('GET', '/url').respond('');
         http(url: '/url', method: 'GET');
+        flush();
       }));
 
 
       it('should pass data if specified', async(() {
         backend.expect('POST', '/url', 'some-data').respond('');
         http(url: '/url', method: 'POST', data: 'some-data');
+        flush();
       }));
 
 
@@ -96,24 +98,28 @@ void main() {
         it('should do basic request with params and encode', async(() {
           backend.expect('GET', '/url?a%3D=%3F%26&b=2').respond('');
           http(url: '/url', params: {'a=':'?&', 'b':2}, method: 'GET');
+          flush();
         }));
 
 
         it('should merge params if url contains some already', async(() {
           backend.expect('GET', '/url?c=3&a=1&b=2').respond('');
           http(url: '/url?c=3', params: {'a':1, 'b':2}, method: 'GET');
+          flush();
         }));
 
 
         it('should jsonify objects in params map', async(() {
           backend.expect('GET', '/url?a=1&b=%7B%22c%22:3%7D').respond('');
           http(url: '/url', params: {'a':1, 'b':{'c':3}}, method: 'GET');
+          flush();
         }));
 
 
         it('should expand arrays in params map', async(() {
           backend.expect('GET', '/url?a=1&a=2&a=3').respond('');
           http(url: '/url', params: {'a': [1,2,3]}, method: 'GET');
+          flush();
         }));
 
 
@@ -125,6 +131,7 @@ void main() {
 
           backend.expect('GET', r'/Path?!do%26h=g%3Da+h&:bar=$baz@1').respond('');
           http(url: '/Path', params: {':bar': r'$baz@1', '!do&h': 'g=a h'}, method: 'GET');
+          flush();
         }));
       });
 
@@ -509,72 +516,84 @@ void main() {
         it('should have get()', async(() {
           backend.expect('GET', '/url').respond('');
           http.get('/url');
+          flush();
         }));
 
 
         it('get() should allow config param', async(() {
           backend.expect('GET', '/url', null, checkHeader('Custom', 'Header')).respond('');
           http.get('/url', headers: {'Custom': 'Header'});
+          flush();
         }));
 
 
         it('should have delete()', async(() {
           backend.expect('DELETE', '/url').respond('');
           http.delete('/url');
+          flush();
         }));
 
 
         it('delete() should allow config param', async(() {
           backend.expect('DELETE', '/url', null, checkHeader('Custom', 'Header')).respond('');
           http.delete('/url', headers: {'Custom': 'Header'});
+          flush();
         }));
 
 
         it('should have head()', async(() {
           backend.expect('HEAD', '/url').respond('');
           http.head('/url');
+          flush();
         }));
 
 
         it('head() should allow config param', async(() {
           backend.expect('HEAD', '/url', null, checkHeader('Custom', 'Header')).respond('');
           http.head('/url', headers: {'Custom': 'Header'});
+          flush();
         }));
 
 
         it('should have post()', async(() {
           backend.expect('POST', '/url', 'some-data').respond('');
           http.post('/url', 'some-data');
+          flush();
         }));
 
 
         it('post() should allow config param', async(() {
           backend.expect('POST', '/url', 'some-data', checkHeader('Custom', 'Header')).respond('');
           http.post('/url', 'some-data', headers: {'Custom': 'Header'});
+          flush();
         }));
 
 
         it('should have put()', async(() {
           backend.expect('PUT', '/url', 'some-data').respond('');
           http.put('/url', 'some-data');
+          flush();
         }));
 
 
         it('put() should allow config param', async(() {
           backend.expect('PUT', '/url', 'some-data', checkHeader('Custom', 'Header')).respond('');
           http.put('/url', 'some-data', headers: {'Custom': 'Header'});
+          flush();
         }));
 
 
         it('should have jsonp()', async(() {
           backend.expect('JSONP', '/url').respond('');
           http.jsonp('/url');
+          flush();
         }));
 
 
         it('jsonp() should allow config param', async(() {
           backend.expect('JSONP', '/url', null, checkHeader('Custom', 'Header')).respond('');
           http.jsonp('/url', headers: {'Custom': 'Header'});
+          flush();
         }));
       });
 
@@ -614,7 +633,7 @@ void main() {
 
           backend.expect('GET', '/url').respond();
           http(method: 'GET', url: '/url');
-          microLeap();
+          flush();
         }));
 
 
@@ -624,7 +643,7 @@ void main() {
           cache.removeAll();
           backend.expect('GET', '/url').respond();
           http(method: 'GET', url: '/url', cache: cache);
-          microLeap();
+          flush();
         }));
 
 
@@ -1157,12 +1176,14 @@ void main() {
             it('should transform object into json', async(() {
               backend.expect('POST', '/url', '{"one":"two"}').respond('');
               http(method: 'POST', url: '/url', data: {'one': 'two'});
+              flush();
             }));
 
 
             it('should ignore strings', async(() {
               backend.expect('POST', '/url', 'string-data').respond('');
               http(method: 'POST', url: '/url', data: 'string-data');
+              flush();
             }));
 
 
@@ -1172,6 +1193,7 @@ void main() {
 
               backend.expect('POST', '/some', file).respond('');
               http(method: 'POST', url: '/some', data: file);
+              flush();
             }));
           });