Tests: fixed tests without "Host" header.

test/test_routing.py

@@ -693,12 +693,6 @@ class TestRouting(TestApplicationProto):
             self.get()['status'], 200, 'match host positive localhost'
         )
 
-        self.assertEqual(
-            self.get(headers={'Connection': 'close'})['status'],
-            404,
-            'match host positive empty',
-        )
-
         self.assertEqual(
             self.get(headers={'Host': 'localhost.', 'Connection': 'close'})[
                 'status'
@@ -731,6 +725,28 @@ class TestRouting(TestApplicationProto):
             'match host positive example.com',
         )
 
+    @unittest.skip('not yet')
+    def test_routes_match_host_absent(self):
+        self.assertIn(
+            'success',
+            self.conf(
+                [
+                    {
+                        "match": {"host": "localhost"},
+                        "action": {"pass": "applications/empty"},
+                    }
+                ],
+                'routes',
+            ),
+            'match host absent configure',
+        )
+
+        self.assertEqual(
+            self.get(headers={'Connection': 'close'})['status'],
+            400,
+            'match host absent',
+        )
+
     def test_routes_match_host_ipv4(self):
         self.assertIn(
             'success',
@@ -969,6 +985,7 @@ class TestRouting(TestApplicationProto):
             200,
             'match host empty 2',
         )
+        self.assertEqual(self.get()['status'], 404, 'match host empty 3')
 
     def test_routes_match_uri_positive(self):
         self.assertIn(