Update pytest from 3.2.2 to 3.2.3 (#2464)

Author: pyup-bot

requirements/tests.txt

@@ -196,9 +196,9 @@ py==1.4.34 \
 pytest-postgresql==1.3.0 \
     --hash=sha256:af9f8827396246bf99b5b1a1e5099a639661eade3501562a9a2f62fa61957d0b \
     --hash=sha256:e60459c4cf66d0b6051c38bec3529c0355e60717b4f9090127ffe59d113ca728
-pytest==3.2.2 \
-    --hash=sha256:b84f554f8ddc23add65c411bf112b2d88e2489fd45f753b1cae5936358bdf314 \
-    --hash=sha256:f46e49e0340a532764991c498244a60e3a37d7424a532b3ff1a6a7653f1a403a
+pytest==3.2.3 \
+    --hash=sha256:81a25f36a97da3313e1125fce9e7bbbba565bc7fec3c5beb14c262ddab238ac1 \
+    --hash=sha256:27fa6617efc2869d3e969a3e75ec060375bfb28831ade8b5cdd68da3a741dc3c
 python-dateutil==2.6.1 \
     --hash=sha256:95511bae634d69bc7329ba55e646499a842bc4ec342ad54a8cdb65645a0aad3c \
     --hash=sha256:891c38b2a02f5bb1be3e4793866c8df49c7d19baabf9c1bad62547e0b4866aca