Correct path for the warmup call

Author: oittaa

appengine/standard_python37/warmup/main_test.py

@@ -28,5 +28,5 @@ def test_warmup():
     main.app.testing = True
     client = main.app.test_client()
 
-    r = client.get('/')
+    r = client.get('/_ah/warmup')
     assert r.status_code == 200