spec: accept teacher enrollment
spec: accept teacher enrollment

banner telling teacher to accept enrollment gets in the way
of selenium clicking elements. Accept the enrollment as part
of enrolling
make full screen moved to before :each

Change-Id: I86dd8dabadd26dfe7a8b5f3efb9a3c3b18a4270b
Reviewed-on: https://gerrit.instructure.com/183088
Tested-by: Jenkins
Reviewed-by: Anju Reddy <851202533fb1f0b615e4547ba226c76996d060dd@instructure.com>
QA-Review: James Butters <4c5a489c9bb72d41f20b3b22aaf4c9b864e32f20@instructure.com>
Product-Review: James Butters <4c5a489c9bb72d41f20b3b22aaf4c9b864e32f20@instructure.com>

sfu/canvas-lms,sfu/canvas-lms,sfu/canvas-lms,djbender/canvas-lms,instructure/canvas-lms,djbender/canvas-lms,sfu/canvas-lms,instructure/canvas-lms,instructure/canvas-lms,sfu/canvas-lms,instructure/canvas-lms,instructure/canvas-lms,sfu/canvas-lms,instructure/canvas-lms,sfu/canvas-lms,djbender/canvas-lms,djbender/canvas-lms,instructure/canvas-lms