This reverts merge request !32571

This commit converts two Jasmine tests into Jest tests.

This reverts commit d754beb74fbc06a2c744e15be4aa2831d8cef1c0.

See https://gitlab.com/gitlab-org/gitlab-ce/issues/30423

Moved the block that fails tests on unmocked axios requests from
test_setup to its own mock, and added a jQuery mock that fails
tests if they use unmocked $.ajax().

Paul Slaughter authored 5 years ago and Lukas Eipert committed 5 years ago

Also:
- stub MutationObserver in Jest

Winnie Hellmann authored 6 years ago and Luke "Jared" Bennett committed 6 years ago

Allows contributors to set the timeout
for individual jest tests.