Spec: Add conversations ui specs
Spec: Add conversations ui specs

Changes:
- Create "conversations ui" context
- Create spec 117960
- Create spec 446594
- Create spec 446595
- Create spec 446596
- Create spec 456175

Test Plan:
- Run specs

Change-Id: Ic4705e1b53cb3dab98c23b4b89078b08e27dc6b2
Reviewed-on: https://gerrit.instructure.com/66152
Reviewed-by: Caleb Guanzon <54fa1f30d451e4f3c341a8f3c47c9215fd0be9c6@instructure.com>
Tested-by: Jenkins
Product-Review: Caleb Guanzon <54fa1f30d451e4f3c341a8f3c47c9215fd0be9c6@instructure.com>
QA-Review: Caleb Guanzon <54fa1f30d451e4f3c341a8f3c47c9215fd0be9c6@instructure.com>
Product-Review: Gentry Beckmann <f487939f789774cca922ca5b886632de73477ea0@instructure.com>
QA-Review: Gentry Beckmann <f487939f789774cca922ca5b886632de73477ea0@instructure.com>

instructure/canvas-lms,HotChalk/canvas-lms,fronteerio/canvas-lms,djbender/canvas-lms,roxolan/canvas-lms,sfu/canvas-lms,djbender/canvas-lms,SwinburneOnline/canvas-lms,redconfetti/canvas-lms,roxolan/canvas-lms,redconfetti/canvas-lms,venturehive/canvas-lms,instructure/canvas-lms,dgynn/canvas-lms,narigone/canvas,HotChalk/canvas-lms,instructure/canvas-lms,grahamb/canvas-lms,sfu/canvas-lms,dgynn/canvas-lms,SwinburneOnline/canvas-lms,sfu/canvas-lms,roxolan/canvas-lms,HotChalk/canvas-lms,fronteerio/canvas-lms,instructure/canvas-lms,leftplusrightllc/canvas-lms,SwinburneOnline/canvas-lms,snehakachroo1/LSI_replica,venturehive/canvas-lms,narigone/canvas,sfu/canvas-lms,djbender/canvas-lms,instructure/canvas-lms,instructure/canvas-lms,sfu/canvas-lms,instructure/canvas-lms,snehakachroo1/LSI_replica,narigone/canvas,SwinburneOnline/canvas-lms,redconfetti/canvas-lms,djbender/canvas-lms,HotChalk/canvas-lms,grahamb/canvas-lms,roxolan/canvas-lms,dgynn/canvas-lms,sfu/canvas-lms,snehakachroo1/LSI_replica,matematikk-mooc/canvas-lms,grahamb/canvas-lms,leftplusrightllc/canvas-lms,venturehive/canvas-lms,redconfetti/canvas-lms,narigone/canvas,sfu/canvas-lms,grahamb/canvas-lms,matematikk-mooc/canvas-lms,grahamb/canvas-lms,matematikk-mooc/canvas-lms,venturehive/canvas-lms,fronteerio/canvas-lms,leftplusrightllc/canvas-lms,fronteerio/canvas-lms,leftplusrightllc/canvas-lms,snehakachroo1/LSI_replica,dgynn/canvas-lms,matematikk-mooc/canvas-lms