bump test requirements to most recent

requirements_for_test.txt

@@ -1,11 +1,11 @@
 -r requirements.txt
 pep8==1.7.0
-pytest==2.9.1
-pytest-mock==0.11.0
-pytest-cov==2.2.1
+pytest==3.0.2
+pytest-mock==1.2
+pytest-cov==2.3.1
 pytest-xdist==1.14
 coveralls==1.1
-moto==0.4.23
+moto==0.4.25
 httpretty==0.8.14
-beautifulsoup4==4.4.1
-freezegun==0.3.6
+beautifulsoup4==4.5.1
+freezegun==0.3.7

setup.cfg

@@ -2,5 +2,5 @@
 max-line-length = 120
 exclude = ./migrations,./venv,./venv3,./node_modules,./bower_components
 
-[pytest]
+[tool:pytest]
 norecursedirs = node_modules bower_components