stream settings: Add tests for weekly stream traffic calculation.
stream settings: Add tests for weekly stream traffic calculation.

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