Pytest and Allure support

[ Fixes nspcc-dev/neofs-s3-gw#780 ]

Signed-off-by: Maksim Gelbakhiani <max@nspcc.io>

bootstrap

@@ -87,3 +87,6 @@ ${virtualenv} --python=$(which python3.6) virtualenv
 # requirements.txt does not match setup.py requirements -- sucky but
 # good enough for now
 ./virtualenv/bin/python3 setup.py develop
+
+# Add pythonpath
+echo "export PYTHONPATH=$PYTHONPATH:$(realpath .)" >> virtualenv/bin/activate

conftest.py

@@ -0,0 +1,12 @@
+import pytest
+import configparser
+from s3tests_boto3.functional import setup
+
+def read_config(config_file):
+    config = configparser.ConfigParser()
+    config.read(config_file)
+    return config
+
+@pytest.fixture(scope='session', autouse=True)
+def nose_setup():
+    setup()

requirements.txt

@@ -10,3 +10,8 @@ requests >=2.23.0
 pytz >=2011k
 httplib2
 lxml
+pytest >=7.3.1
+allure-pytest ==2.9.45
+pytest-nose-attrib >=0.1.1
+pytest-timeout >=2.1.0
+allure-combine ==1.0.8