pep8: Add compliance with rule E261 to zerver/lib/test_classes.py.
pep8: Add compliance with rule E261 to zerver/lib/test_classes.py.

timabbott/zulip,jphilipsen05/zulip,Galexrt/zulip,showell/zulip,brockwhittaker/zulip,tommyip/zulip,rht/zulip,punchagan/zulip,dhcrzf/zulip,zulip/zulip,vabs22/zulip,hackerkid/zulip,showell/zulip,mahim97/zulip,synicalsyntax/zulip,christi3k/zulip,kou/zulip,eeshangarg/zulip,brockwhittaker/zulip,j831/zulip,zulip/zulip,verma-varsha/zulip,mahim97/zulip,vaidap/zulip,brainwane/zulip,hackerkid/zulip,brainwane/zulip,hackerkid/zulip,synicalsyntax/zulip,j831/zulip,timabbott/zulip,timabbott/zulip,punchagan/zulip,tommyip/zulip,christi3k/zulip,rht/zulip,jrowan/zulip,shubhamdhama/zulip,punchagan/zulip,synicalsyntax/zulip,brainwane/zulip,vaidap/zulip,Galexrt/zulip,rishig/zulip,showell/zulip,vaidap/zulip,vabs22/zulip,vabs22/zulip,rht/zulip,andersk/zulip,punchagan/zulip,brainwane/zulip,synicalsyntax/zulip,verma-varsha/zulip,tommyip/zulip,rishig/zulip,tommyip/zulip,jackrzhang/zulip,andersk/zulip,mahim97/zulip,verma-varsha/zulip,j831/zulip,kou/zulip,eeshangarg/zulip,mahim97/zulip,kou/zulip,amanharitsh123/zulip,jphilipsen05/zulip,j831/zulip,brockwhittaker/zulip,hackerkid/zulip,tommyip/zulip,shubhamdhama/zulip,christi3k/zulip,Galexrt/zulip,eeshangarg/zulip,rishig/zulip,ryanbackman/zulip,vabs22/zulip,Galexrt/zulip,brockwhittaker/zulip,ryanbackman/zulip,zulip/zulip,jackrzhang/zulip,dhcrzf/zulip,eeshangarg/zulip,timabbott/zulip,rht/zulip,brockwhittaker/zulip,vaidap/zulip,andersk/zulip,rishig/zulip,amanharitsh123/zulip,showell/zulip,Galexrt/zulip,shubhamdhama/zulip,jphilipsen05/zulip,andersk/zulip,verma-varsha/zulip,amanharitsh123/zulip,punchagan/zulip,vabs22/zulip,Galexrt/zulip,showell/zulip,jrowan/zulip,synicalsyntax/zulip,ryanbackman/zulip,synicalsyntax/zulip,kou/zulip,rishig/zulip,rht/zulip,rht/zulip,timabbott/zulip,andersk/zulip,jackrzhang/zulip,ryanbackman/zulip,tommyip/zulip,zulip/zulip,jrowan/zulip,tommyip/zulip,kou/zulip,jrowan/zulip,ryanbackman/zulip,punchagan/zulip,christi3k/zulip,amanharitsh123/zulip,hackerkid/zulip,ryanbackman/zulip,andersk/zulip,verma-varsha/zulip,andersk/zulip,mahim97/zulip,amanharitsh123/zulip,jphilipsen05/zulip,jackrzhang/zulip,kou/zulip,vaidap/zulip,jrowan/zulip,brainwane/zulip,dhcrzf/zulip,jackrzhang/zulip,Galexrt/zulip,shubhamdhama/zulip,dhcrzf/zulip,hackerkid/zulip,jackrzhang/zulip,dhcrzf/zulip,shubhamdhama/zulip,jphilipsen05/zulip,hackerkid/zulip,showell/zulip,verma-varsha/zulip,shubhamdhama/zulip,brainwane/zulip,rht/zulip,vaidap/zulip,timabbott/zulip,dhcrzf/zulip,amanharitsh123/zulip,vabs22/zulip,christi3k/zulip,jackrzhang/zulip,brockwhittaker/zulip,zulip/zulip,rishig/zulip,j831/zulip,brainwane/zulip,synicalsyntax/zulip,timabbott/zulip,kou/zulip,zulip/zulip,j831/zulip,zulip/zulip,mahim97/zulip,eeshangarg/zulip,shubhamdhama/zulip,eeshangarg/zulip,jrowan/zulip,jphilipsen05/zulip,rishig/zulip,dhcrzf/zulip,eeshangarg/zulip,punchagan/zulip,christi3k/zulip,showell/zulip