Refactor/tests snapshots

[eve-horne]

Updates Made

Added tests to support "onFilterUpdate" for CombinedFilter.tsx
Added tests to support FilterLink.tsx
Added tests to support "toShortString" variant of "gradeCaseToString" for GradeLevels.tsx
Added "id" field to Filter Mocks

Contributing developer checklist

• I've updated source branch with the latest changes from dev.
• I've added/changed unit tests for components with functionality.
• I've added/updated storybook for any component that I've changed.
• I've reviewed each jsdoc header in regards to the changes that I've made and updated them.

Reviewing developer checklist

• I've pulled this branch to my local machine.
• I've inspected the changes on storybook.
• I've run the test suite and all tests have passed

[coveralls]

Coverage increased (+1.2%) to 77.525% when pulling 38cd96a on refactor/tests-snapshots into f6f1921 on dev.

[tnoelcke]

Looks like you improved our coverage my 1.2% nice work!

[cass-osu]

🎉 This PR is included in version 1.16.1 🎉

The release is available on:

• npm package (@beta dist-tag)
• GitHub release

Your semantic-release bot 📦🚀