test(textfield): Migrate component unit test for icon to Jasmine

[allan-chen]

Project import generated by Copybara.

[googlebot]

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[codecov-io]

Codecov Report

Merging #5423 into master will not change coverage.
The diff coverage is 100%.

@@           Coverage Diff           @@
##           master    #5423   +/-   ##
=======================================
  Coverage   97.14%   97.14%           
=======================================
  Files         164      164           
  Lines        6259     6259           
  Branches      831      831           
=======================================
  Hits         6080     6080           
  Misses        179      179

Impacted Files	Coverage Δ
packages/mdc-textfield/component.ts	97.95% <100%> (ø)	⬆️
packages/mdc-switch/component.ts	91.52% <0%> (-6.78%)	⬇️
packages/mdc-auto-init/index.ts	92% <0%> (-4%)	⬇️
packages/mdc-textfield/icon/component.ts	100% <0%> (+26.31%)	⬆️

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[mdc-web-bot]

🤖 Beep boop!

Screenshot test report 🚦

42 screenshots changed from master on commit 114e71e:

• https://storage.googleapis.com/mdc-web-screenshot-tests/travis/2020/01/07/22_12_47_231/report/report.html?utm_source=github&utm_medium=pr_comment

Details

42 Added:

• spec/mdc-button/classes/baseline-button-with-icons.html

• spec/mdc-button/classes/baseline-button-with-trailing-icons.html

• spec/mdc-button/classes/baseline-button-without-icons.html

• spec/mdc-button/classes/baseline-link-with-icons.html

• spec/mdc-button/classes/baseline-link-without-icons.html

• spec/mdc-button/mixins/container-fill-color.html

• spec/mdc-button/mixins/density.html

• spec/mdc-button/mixins/filled-accessible.html

• spec/mdc-button/mixins/horizontal-padding-baseline.html

• spec/mdc-button/mixins/icon-color.html

• spec/mdc-button/mixins/ink-color.html

• spec/mdc-button/mixins/shape-radius.html

• spec/mdc-button/mixins/stroke-color.html

• spec/mdc-button/mixins/stroke-width.html

[googlebot]

We found a Contributor License Agreement for you (the sender of this pull request), but were unable to find agreements for all the commit author(s) or Co-authors. If you authored these, maybe you used a different email address in the git commits than was used to sign the CLA (login here to double check)? If these were authored by someone else, then they will need to sign a CLA as well, and confirm that they're okay with these being contributed to Google.
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[googlebot]

A Googler has manually verified that the CLAs look good.

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[googlebot]

We found a Contributor License Agreement for you (the sender of this pull request), but were unable to find agreements for all the commit author(s) or Co-authors. If you authored these, maybe you used a different email address in the git commits than was used to sign the CLA (login here to double check)? If these were authored by someone else, then they will need to sign a CLA as well, and confirm that they're okay with these being contributed to Google.
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[mdc-web-bot]

All 602 screenshot tests passed for commit b06b822 vs. master! 💯🎉

[googlebot]

A Googler has manually verified that the CLAs look good.

(Googler, please make sure the reason for overriding the CLA status is clearly documented in these comments.)

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[googlebot]

CLAs look good, thanks!

ℹ️ Googlers: Go here for more info.

[mdc-web-bot]

All 602 screenshot tests passed for commit e19c7a3 vs. master! 💯🎉

[mdc-web-bot]

All 602 screenshot tests passed for commit d8859d2 vs. master! 💯🎉

[asyncliz]

LGTM

[mdc-web-bot]

All 602 screenshot tests passed for commit 13447c8 vs. master! 💯🎉

[mdc-web-bot]

All 602 screenshot tests passed for commit a9c4cff vs. master! 💯🎉