test config: update: pytest 2.7.0, pytest-xdist 1.12

Author: blueyed

generate_configurations.py

@@ -27,7 +27,7 @@ def is_pypy(self):
 PYTHON_MAIN_VERSIONS = ['python2.7', 'python3.4']
 PYTHON_VERSIONS = ['python2.6', 'python2.7', 'python3.2', 'python3.3',
                    'python3.4', 'pypy', 'pypy3']
-PYTEST_VERSIONS = ['2.6.4']
+PYTEST_VERSIONS = ['2.7.0']
 DJANGO_VERSIONS = ['1.3', '1.4', '1.5', '1.6', '1.7', '1.8', 'master']
 SETTINGS = ['sqlite', 'sqlite_file', 'mysql_myisam', 'mysql_innodb',
             'postgres']
@@ -78,7 +78,7 @@ def is_valid_env(env):
 
 def requirements(env):
     yield 'pytest==%s' % (env.pytest_version)
-    yield 'pytest-xdist==1.11'
+    yield 'pytest-xdist==1.12'
     yield DJANGO_REQUIREMENTS[env.django_version]
     yield 'django-configurations==0.8'