Update to pytest 3.2.2
Update to pytest 3.2.2

glogiotatidis/snippets-service,mozmar/snippets-service,mozilla/snippets-service,mozmar/snippets-service,glogiotatidis/snippets-service,glogiotatidis/snippets-service,mozilla/snippets-service,mozmar/snippets-service,mozilla/snippets-service,mozmar/snippets-service,mozilla/snippets-service,glogiotatidis/snippets-service