Replaced start up tests.

release_tests/support/test_mttserver.py

@@ -2,7 +2,7 @@
 
 from unittest import IsolatedAsyncioTestCase
 from aiohttp import ClientSession
-from release_tests.support import ADDR
+from release_tests.support import get_port
 from release_tests.support.mttserver import MTTServer
 
 
@@ -13,9 +13,23 @@ class MTTServerTC(IsolatedAsyncioTestCase):
         """Test default start up."""
         mtt = MTTServer()
         await mtt.start()
-        url = f"http://{ADDR}:{mtt.port}"
+        url = mtt.baseurl
+        self.assertEqual(url, "http://127.0.0.1:3000")
         async with ClientSession() as session:
             async with session.get(url) as resp:
                 text = await resp.text()
                 self.assertEqual(resp.status, 200, text)
-                self.assertEqual(mtt.baseurl, url)
+        await mtt.cleanup()
+
+    async def test_flags(self):
+        """Make sure flags are working."""
+        host = "127.28.56.13"
+        port = get_port()
+        mtt = MTTServer("-a", host, "-p", port)
+        self.assertEqual(mtt.baseurl, f"http://{host}:{port}")
+        await mtt.start()
+        async with ClientSession() as session:
+            async with session.get(mtt.baseurl) as resp:
+                text = await resp.text()
+                self.assertEqual(resp.status, 200, text)
+        await mtt.cleanup()