**How?**
Using [jest-codemods][1] and removing the ones that automatically
failed.

[1]: https://github.com/skovhus/jest-codemods

Squashed commit of the following:
    fix overlooked window binding in spec files
    remove imports loader
    replace implicit this == window with explicit binding

Squashed commit of the following:

commit f19330e4
Author: Mike Greiling <mike@pixelcog.com>
Date:   Tue Jan 3 16:38:53 2017 -0600

    fix right_sidebar_spec ajax call

commit 7a2a9bb4
Author: Mike Greiling <mike@pixelcog.com>
Date:   Fri Dec 30 18:14:33 2016 -0600

    replace Teaspoon fixture methods with jasmine-jquery methods to reduce dependency on Teaspoon

commit 10d483ea
Merge: 5997a86e df5223de
Author: Mike Greiling <mike@pixelcog.com>
Date:   Thu Jan 5 14:10:43 2017 -0600

    Merge branch 'fix-u2f-fixtures' into 26226-generate-all-haml-fixtures-within-teaspoon-fixtures-task

    * fix-u2f-fixtures:
      generate u2f frontend fixtures dynamically
      force utf-8 encoding for prior to fixture parsing to prevent nokogiri issues
      exclude script type=text/template from dom scrubbing

commit df5223de
Author: Mike Greiling <mike@pixelcog.com>
Date:   Tue Jan 3 14:48:37 2017 -0600

    generate u2f frontend fixtures dynamically

commit 8cee3b1d
Author: Mike Greiling <mike@pixelcog.com>
Date:   Tue Jan 3 15:26:14 2017 -0600

    force utf-8 encoding for prior to fixture parsing to prevent nokogiri issues

commit ca404170
Author: Mike Greiling <mike@pixelcog.com>
Date:   Tue Jan 3 10:46:17 2017 -0600

    exclude script type=text/template from dom scrubbing

commit 5997a86e
Author: Mike Greiling <mike@pixelcog.com>
Date:   Mon Jan 2 13:04:10 2017 -0600

    add CHANGELOG entry for !8384

commit d904335d
Author: Mike Greiling <mike@pixelcog.com>
Date:   Fri Dec 30 18:25:23 2016 -0600

    make projects.json easier to read

commit 7ae2fe13
Author: Mike Greiling <mike@pixelcog.com>
Date:   Fri Dec 30 17:28:51 2016 -0600

    fix dynamic u2f fixtures

commit 5f192c77
Author: Mike Greiling <mike@pixelcog.com>
Date:   Fri Dec 30 15:27:40 2016 -0600

    update all frontend tests to point to precompiled fixtures

commit 6370e326
Author: Mike Greiling <mike@pixelcog.com>
Date:   Fri Dec 30 14:50:07 2016 -0600

    recursively clean compiled fixtures

commit 2373082e
Author: Mike Greiling <mike@pixelcog.com>
Date:   Fri Dec 30 14:47:12 2016 -0600

    create catch-all fixture generator for all static fixtures

commit 4cd962ec
Author: Mike Greiling <mike@pixelcog.com>
Date:   Fri Dec 30 14:46:41 2016 -0600

    allow storage of raw string fixtures