Merge pull request #395 from blueyed/improve-tests

Improve tests: use pytest.fail

conftest.py

@@ -1,7 +1,9 @@
 import os
+import subprocess
 import urllib
 import zipfile
-import subprocess
+
+import pytest
 
 CACHE_FOLDER = '.cache'
 VSPEC_FOLDER = os.path.join(CACHE_FOLDER, 'vim-vspec-master')
@@ -14,11 +16,12 @@ class IntegrationTestFile(object):
         self.path = path
 
     def run(self):
-        output = subprocess.check_output([VSPEC_RUNNER, '.', VSPEC_FOLDER, self.path])
+        output = subprocess.check_output(
+            [VSPEC_RUNNER, '.', VSPEC_FOLDER, self.path])
         for line in output.splitlines():
             if line.startswith(b'not ok') or line.startswith(b'Error'):
-                print(output.decode('utf-8'))
-                assert False
+                pytest.fail("{} failed:\n{}".format(
+                    self.path, output.decode('utf-8')), pytrace=False)
 
     def __repr__(self):
         return "<%s: %s>" % (type(self), self.path)