push notif tests: Use mock.patch instead of `apn.gcm = ...`.
push notif tests: Use mock.patch instead of `apn.gcm = ...`.

synicalsyntax/zulip,tommyip/zulip,showell/zulip,timabbott/zulip,andersk/zulip,hackerkid/zulip,rht/zulip,andersk/zulip,rishig/zulip,rht/zulip,kou/zulip,hackerkid/zulip,hackerkid/zulip,rht/zulip,punchagan/zulip,rishig/zulip,eeshangarg/zulip,brainwane/zulip,shubhamdhama/zulip,brainwane/zulip,eeshangarg/zulip,andersk/zulip,tommyip/zulip,tommyip/zulip,showell/zulip,eeshangarg/zulip,shubhamdhama/zulip,zulip/zulip,shubhamdhama/zulip,brainwane/zulip,synicalsyntax/zulip,eeshangarg/zulip,punchagan/zulip,timabbott/zulip,synicalsyntax/zulip,showell/zulip,showell/zulip,showell/zulip,tommyip/zulip,kou/zulip,shubhamdhama/zulip,timabbott/zulip,punchagan/zulip,timabbott/zulip,eeshangarg/zulip,zulip/zulip,punchagan/zulip,showell/zulip,punchagan/zulip,kou/zulip,zulip/zulip,rht/zulip,synicalsyntax/zulip,brainwane/zulip,andersk/zulip,kou/zulip,synicalsyntax/zulip,shubhamdhama/zulip,andersk/zulip,timabbott/zulip,punchagan/zulip,rishig/zulip,synicalsyntax/zulip,kou/zulip,eeshangarg/zulip,brainwane/zulip,hackerkid/zulip,rishig/zulip,showell/zulip,zulip/zulip,rishig/zulip,rishig/zulip,shubhamdhama/zulip,zulip/zulip,rht/zulip,hackerkid/zulip,zulip/zulip,timabbott/zulip,shubhamdhama/zulip,punchagan/zulip,rht/zulip,rht/zulip,rishig/zulip,zulip/zulip,timabbott/zulip,brainwane/zulip,kou/zulip,tommyip/zulip,brainwane/zulip,hackerkid/zulip,tommyip/zulip,andersk/zulip,hackerkid/zulip,eeshangarg/zulip,kou/zulip,andersk/zulip,synicalsyntax/zulip,tommyip/zulip