Change expectedFailure decorators to skip, because that still takes
a screenshot as if it were an error and at least one of those
take a super long time when running locally on devstack.

A test failed because an element disappeared between the evaluation of
the clauses of a conjunction, so rewrite to make the conjunction
unnecessary.

LMS-1724

JIRA: FOR-472

Fixed bok-choy acceptance tests

make openendedchild and open_ended_module_v1 act enough like xblocks to get xblock 18n

Tests language selection feature for student dashboard

It's not a constant, and some subclasses will want to make it a
function with @property.

Added feedback check for AI-assessment test
Added peer assessment feedback test
Added tests for peer grading module
Added stub peer grading module service
Updated Studio/LMS page objects and tests to use bok-choy v0.1.0
Added LMS bok-choy tests from e2e repo
Add bok-choy tests for peer grading module, including calibration.

Disable broken video test

Removed inappropriate section tags. Because screen readers announce each section, they should not be used unless they are actually defining meaningful sections.

Fix bug in url method of register page object
Add dist directories to gitignore