Add pytest plugins (#786)

Author: bartv

requirements.txt

@@ -1,3 +1,4 @@
+PyJWT==1.6.4
 click==7.0
 colorlog==3.1.4
 cryptography==2.3.1
@@ -6,11 +7,13 @@ inmanta-sphinx==0.8
 motor==2.0.0
 netifaces==0.10.7
 ply==3.11
-PyJWT==1.6.4
 pymongo==3.7.2
 pytest-cover==3.0.0
+pytest-instafail
 pytest-randomly==1.2.3
+pytest-sugar
 pytest-tornado==0.5.0
+pytest-xdist
 pytest==3.10.0
 python-dateutil==2.7.5
 pyyaml==3.13

tox.ini

@@ -38,6 +38,9 @@ deps=
     pytest-tornado
     pytest-cover
     pytest-randomly
+    pytest-xdist
+    pytest-sugar
+    pytest-instafail
     mongobox
     pymongo
     motor