combine logic from create_server() and run()

tests/test_loop_policy.py

@@ -1,27 +0,0 @@
-from sanic import Sanic
-import asyncio
-from signal import signal, SIGINT
-import uvloop
-
-
-def test_loop_policy():
-    app = Sanic('test_loop_policy')
-
-    server = app.create_server(host="0.0.0.0", port=8000)
-
-    loop = asyncio.get_event_loop()
-    task = asyncio.ensure_future(server)
-    signal(SIGINT, lambda s, f: loop.close())
-
-    # serve() sets the event loop policy to uvloop but
-    # doesn't get called until we run the server task
-    assert isinstance(asyncio.get_event_loop_policy(),
-                      asyncio.unix_events._UnixDefaultEventLoopPolicy)
-
-    try:
-        loop.run_until_complete(task)
-    except:
-        loop.stop()
-
-    assert isinstance(asyncio.get_event_loop_policy(),
-                      uvloop.EventLoopPolicy)