fix tests, use pytest

We currently test with unparallelized builds,
because there are apparently some race conditions
in the test suite, which I can't trigger locally
but happen on travis.

Squashed commit of the following:

commit 7dceb6dd3a1bdbc39688258bc4dff6eee685a33b
Author: Maximilian Hils <git@maximilianhils.com>
Date:   Mon Sep 21 23:00:24 2015 +0200

    disable parallelized tests

commit fc0c3f12ee9259162e83026851362925d93b69f2
Author: Maximilian Hils <git@maximilianhils.com>
Date:   Mon Sep 21 22:49:19 2015 +0200

    fix tests

commit baba3ca5ef49bdbd7aad14f1bf0626738fa3d21c
Author: Maximilian Hils <git@maximilianhils.com>
Date:   Mon Sep 21 22:28:20 2015 +0200

    fix tests, use py.test

1 files changed, 6 insertions, 6 deletions

diff --git a/test/test_pathoc.py b/test/test_pathoc.py
index 6c0bf039..72af8b13 100644
--- a/test/test_pathoc.py
+++ b/test/test_pathoc.py
@@ -22,10 +22,10 @@ class _TestDaemon:
     ssloptions = pathod.SSLOptions()
 
     @classmethod
-    def setUpAll(self):
-        self.d = test.Daemon(
-            ssl=self.ssl,
-            ssloptions=self.ssloptions,
+    def setup_class(cls):
+        cls.d = test.Daemon(
+            ssl=cls.ssl,
+            ssloptions=cls.ssloptions,
             staticdir=tutils.test_data.path("data"),
             anchors=[
                 (re.compile("/anchor/.*"), "202")
@@ -33,8 +33,8 @@ class _TestDaemon:
         )
 
     @classmethod
-    def tearDownAll(self):
-        self.d.shutdown()
+    def teardown_class(cls):
+        cls.d.shutdown()
 
     def setUp(self):
         self.d.clear_log()