Fix Tasks sample test issues.

Author: andrewsg

appengine/flexible/tasks/main_test.py

@@ -32,7 +32,7 @@ def test_index(app):
 def test_log_payload(logging_mock, app):
     payload = 'hello'
 
-    r = app.post('/log_payload', payload)
+    r = app.post('/log_payload', data=payload)
     assert r.status_code == 200
 
     assert logging_mock.called

tasks/pull_queue_snippets.py

@@ -38,7 +38,7 @@ def create_task(project, queue, location):
     task = {
         'task': {
             'pull_task_target': {
-                'payload': base64.b64encode(payload)
+                'payload': base64.b64encode(payload.encode()).decode()
             }
         }
     }

tasks/pull_queue_snippets_test.py

@@ -18,7 +18,7 @@
 
 TEST_PROJECT_ID = os.getenv('GCLOUD_PROJECT')
 TEST_LOCATION = os.getenv('TEST_QUEUE_LOCATION', 'us-central1')
-TEST_QUEUE_NAME = os.getenv('TEST_QUEUE_NAME', 'test-queue')
+TEST_QUEUE_NAME = os.getenv('TEST_QUEUE_NAME', 'my-pull-queue')
 
 
 def test_create_task():